2807821900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:289

約数の個数: 216

約数和(自身を含む): 7185623424

約数和(自身を除く): 4377801524

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 31, 38, 50, 52, 62, 65, 76, 95, 100, 124, 130, 155, 190, 193, 247, 260, 310, 325, 361, 380, 386, 403, 475, 494, 589, 620, 650, 722, 772, 775, 806, 950, 965, 988, 1178, 1235, 1300, 1444, 1550, 1612, 1805, 1900, 1930, 2015, 2356, 2470, 2509, 2945, 3100, 3610, 3667, 3860, 4030, 4693, 4825, 4940, 5018, 5890, 5983, 6175, 7220, 7334, 7657, 8060, 9025, 9386, 9650, 10036, 10075, 11191, 11780, 11966, 12350, 12545, 14668, 14725, 15314, 18050, 18335, 18772, 19300, 20150, 22382, 23465, 23932, 24700, 25090, 29450, 29915, 30628, 36100, 36670, 38285, 40300, 44764, 46930, 47671, 50180, 55955, 58900, 59830, 62725, 69673, 73340, 76570, 77779, 91675, 93860, 95342, 111910, 113677, 117325, 119660, 125450, 139346, 145483, 149575, 153140, 155558, 183350, 190684, 191425, 223820, 227354, 234650, 238355, 250900, 278692, 279775, 290966, 299150, 311116, 348365, 366700, 382850, 388895, 454708, 469300, 476710, 559550, 568385, 581932, 598300, 696730, 727415, 765700, 777790, 905749, 953420, 1119100, 1136770, 1191775, 1393460, 1454830, 1477801, 1555580, 1741825, 1811498, 1944475, 2159863, 2273540, 2383550, 2841925, 2909660, 2955602, 3483650, 3622996, 3637075, 3888950, 4319726, 4528745, 4767100, 5683850, 5911204, 6967300, 7274150, 7389005, 7777900, 8639452, 9057490, 10799315, 11367700, 14548300, 14778010, 18114980, 21598630, 22643725, 28078219, 29556020, 36945025, 43197260, 45287450, 53996575, 56156438, 73890050, 90574900, 107993150, 112312876, 140391095, 147780100, 215986300, 280782190, 561564380, 701955475, 1403910950, 2807821900]

約数ペア:

[(1, 2807821900), (2, 1403910950), (4, 701955475), (5, 561564380), (10, 280782190), (13, 215986300), (19, 147780100), (20, 140391095), (25, 112312876), (26, 107993150), (31, 90574900), (38, 73890050), (50, 56156438), (52, 53996575), (62, 45287450), (65, 43197260), (76, 36945025), (95, 29556020), (100, 28078219), (124, 22643725), (130, 21598630), (155, 18114980), (190, 14778010), (193, 14548300), (247, 11367700), (260, 10799315), (310, 9057490), (325, 8639452), (361, 7777900), (380, 7389005), (386, 7274150), (403, 6967300), (475, 5911204), (494, 5683850), (589, 4767100), (620, 4528745), (650, 4319726), (722, 3888950), (772, 3637075), (775, 3622996), (806, 3483650), (950, 2955602), (965, 2909660), (988, 2841925), (1178, 2383550), (1235, 2273540), (1300, 2159863), (1444, 1944475), (1550, 1811498), (1612, 1741825), (1805, 1555580), (1900, 1477801), (1930, 1454830), (2015, 1393460), (2356, 1191775), (2470, 1136770), (2509, 1119100), (2945, 953420), (3100, 905749), (3610, 777790), (3667, 765700), (3860, 727415), (4030, 696730), (4693, 598300), (4825, 581932), (4940, 568385), (5018, 559550), (5890, 476710), (5983, 469300), (6175, 454708), (7220, 388895), (7334, 382850), (7657, 366700), (8060, 348365), (9025, 311116), (9386, 299150), (9650, 290966), (10036, 279775), (10075, 278692), (11191, 250900), (11780, 238355), (11966, 234650), (12350, 227354), (12545, 223820), (14668, 191425), (14725, 190684), (15314, 183350), (18050, 155558), (18335, 153140), (18772, 149575), (19300, 145483), (20150, 139346), (22382, 125450), (23465, 119660), (23932, 117325), (24700, 113677), (25090, 111910), (29450, 95342), (29915, 93860), (30628, 91675), (36100, 77779), (36670, 76570), (38285, 73340), (40300, 69673), (44764, 62725), (46930, 59830), (47671, 58900), (50180, 55955)]