49464220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 129040128

約数和(自身を除く): 79575908

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 31, 34, 38, 52, 62, 65, 68, 76, 85, 95, 124, 130, 155, 170, 190, 221, 247, 260, 310, 323, 340, 361, 380, 403, 442, 494, 527, 589, 620, 646, 722, 806, 884, 988, 1054, 1105, 1178, 1235, 1292, 1444, 1612, 1615, 1805, 2015, 2108, 2210, 2356, 2470, 2635, 2945, 3230, 3610, 4030, 4199, 4420, 4693, 4940, 5270, 5890, 6137, 6460, 6851, 7220, 7657, 8060, 8398, 9386, 10013, 10540, 11191, 11780, 12274, 13702, 15314, 16796, 18772, 20026, 20995, 22382, 23465, 24548, 27404, 30628, 30685, 34255, 38285, 40052, 41990, 44764, 46930, 50065, 55955, 61370, 68510, 76570, 79781, 83980, 93860, 100130, 111910, 122740, 130169, 137020, 145483, 153140, 159562, 190247, 200260, 223820, 260338, 290966, 319124, 380494, 398905, 520676, 581932, 650845, 727415, 760988, 797810, 951235, 1301690, 1454830, 1595620, 1902470, 2473211, 2603380, 2909660, 3804940, 4946422, 9892844, 12366055, 24732110, 49464220]

約数ペア:

[(1, 49464220), (2, 24732110), (4, 12366055), (5, 9892844), (10, 4946422), (13, 3804940), (17, 2909660), (19, 2603380), (20, 2473211), (26, 1902470), (31, 1595620), (34, 1454830), (38, 1301690), (52, 951235), (62, 797810), (65, 760988), (68, 727415), (76, 650845), (85, 581932), (95, 520676), (124, 398905), (130, 380494), (155, 319124), (170, 290966), (190, 260338), (221, 223820), (247, 200260), (260, 190247), (310, 159562), (323, 153140), (340, 145483), (361, 137020), (380, 130169), (403, 122740), (442, 111910), (494, 100130), (527, 93860), (589, 83980), (620, 79781), (646, 76570), (722, 68510), (806, 61370), (884, 55955), (988, 50065), (1054, 46930), (1105, 44764), (1178, 41990), (1235, 40052), (1292, 38285), (1444, 34255), (1612, 30685), (1615, 30628), (1805, 27404), (2015, 24548), (2108, 23465), (2210, 22382), (2356, 20995), (2470, 20026), (2635, 18772), (2945, 16796), (3230, 15314), (3610, 13702), (4030, 12274), (4199, 11780), (4420, 11191), (4693, 10540), (4940, 10013), (5270, 9386), (5890, 8398), (6137, 8060), (6460, 7657), (6851, 7220)]