208798980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:310

約数の個数: 192

約数和(自身を含む): 675306240

約数和(自身を除く): 466507260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 73, 76, 78, 95, 114, 130, 146, 156, 190, 193, 195, 219, 228, 247, 260, 285, 292, 365, 380, 386, 390, 438, 494, 570, 579, 730, 741, 772, 780, 876, 949, 965, 988, 1095, 1140, 1158, 1235, 1387, 1460, 1482, 1898, 1930, 2190, 2316, 2470, 2509, 2774, 2847, 2895, 2964, 3667, 3705, 3796, 3860, 4161, 4380, 4745, 4940, 5018, 5548, 5694, 5790, 6935, 7334, 7410, 7527, 8322, 9490, 10036, 11001, 11388, 11580, 12545, 13870, 14089, 14235, 14668, 14820, 15054, 16644, 18031, 18335, 18980, 20805, 22002, 25090, 27740, 28178, 28470, 30108, 36062, 36670, 37635, 41610, 42267, 44004, 47671, 50180, 54093, 55005, 56356, 56940, 70445, 72124, 73340, 75270, 83220, 84534, 90155, 95342, 108186, 110010, 140890, 143013, 150540, 169068, 180310, 183157, 190684, 211335, 216372, 220020, 238355, 267691, 270465, 281780, 286026, 360620, 366314, 422670, 476710, 535382, 540930, 549471, 572052, 715065, 732628, 803073, 845340, 915785, 953420, 1070764, 1081860, 1098942, 1338455, 1430130, 1606146, 1831570, 2197884, 2676910, 2747355, 2860260, 3212292, 3479983, 3663140, 4015365, 5353820, 5494710, 6959966, 8030730, 10439949, 10989420, 13919932, 16061460, 17399915, 20879898, 34799830, 41759796, 52199745, 69599660, 104399490, 208798980]

約数ペア:

[(1, 208798980), (2, 104399490), (3, 69599660), (4, 52199745), (5, 41759796), (6, 34799830), (10, 20879898), (12, 17399915), (13, 16061460), (15, 13919932), (19, 10989420), (20, 10439949), (26, 8030730), (30, 6959966), (38, 5494710), (39, 5353820), (52, 4015365), (57, 3663140), (60, 3479983), (65, 3212292), (73, 2860260), (76, 2747355), (78, 2676910), (95, 2197884), (114, 1831570), (130, 1606146), (146, 1430130), (156, 1338455), (190, 1098942), (193, 1081860), (195, 1070764), (219, 953420), (228, 915785), (247, 845340), (260, 803073), (285, 732628), (292, 715065), (365, 572052), (380, 549471), (386, 540930), (390, 535382), (438, 476710), (494, 422670), (570, 366314), (579, 360620), (730, 286026), (741, 281780), (772, 270465), (780, 267691), (876, 238355), (949, 220020), (965, 216372), (988, 211335), (1095, 190684), (1140, 183157), (1158, 180310), (1235, 169068), (1387, 150540), (1460, 143013), (1482, 140890), (1898, 110010), (1930, 108186), (2190, 95342), (2316, 90155), (2470, 84534), (2509, 83220), (2774, 75270), (2847, 73340), (2895, 72124), (2964, 70445), (3667, 56940), (3705, 56356), (3796, 55005), (3860, 54093), (4161, 50180), (4380, 47671), (4745, 44004), (4940, 42267), (5018, 41610), (5548, 37635), (5694, 36670), (5790, 36062), (6935, 30108), (7334, 28470), (7410, 28178), (7527, 27740), (8322, 25090), (9490, 22002), (10036, 20805), (11001, 18980), (11388, 18335), (11580, 18031), (12545, 16644), (13870, 15054), (14089, 14820), (14235, 14668)]