28858153940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{647}}^1\times {\mathrm{2633}}^1$

素因数の和:3318

約数の個数: 144

約数和(自身を含む): 76274908416

約数和(自身を除く): 47416754476

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 647, 770, 847, 1210, 1294, 1540, 1694, 2420, 2588, 2633, 3235, 3388, 4235, 4529, 5266, 6470, 7117, 8470, 9058, 10532, 12940, 13165, 14234, 16940, 18116, 18431, 22645, 26330, 28468, 28963, 35585, 36862, 45290, 49819, 52660, 57926, 71170, 73724, 78287, 90580, 92155, 99638, 115852, 142340, 144815, 156574, 184310, 199276, 202741, 249095, 289630, 313148, 318593, 368620, 391435, 405482, 498190, 548009, 579260, 637186, 782870, 810964, 996380, 1013705, 1096018, 1274372, 1565740, 1592965, 1703551, 2027410, 2192036, 2230151, 2740045, 3185930, 3407102, 4054820, 4460302, 5480090, 6371860, 6814204, 8517755, 8920604, 10960180, 11150755, 11924857, 17035510, 18739061, 22301510, 23849714, 34071020, 37478122, 44603020, 47699428, 59624285, 74956244, 93695305, 119248570, 131173427, 187390610, 206129671, 238497140, 262346854, 374781220, 412259342, 524693708, 655867135, 824518684, 1030648355, 1311734270, 1442907697, 2061296710, 2623468540, 2885815394, 4122593420, 5771630788, 7214538485, 14429076970, 28858153940]

約数ペア:

[(1, 28858153940), (2, 14429076970), (4, 7214538485), (5, 5771630788), (7, 4122593420), (10, 2885815394), (11, 2623468540), (14, 2061296710), (20, 1442907697), (22, 1311734270), (28, 1030648355), (35, 824518684), (44, 655867135), (55, 524693708), (70, 412259342), (77, 374781220), (110, 262346854), (121, 238497140), (140, 206129671), (154, 187390610), (220, 131173427), (242, 119248570), (308, 93695305), (385, 74956244), (484, 59624285), (605, 47699428), (647, 44603020), (770, 37478122), (847, 34071020), (1210, 23849714), (1294, 22301510), (1540, 18739061), (1694, 17035510), (2420, 11924857), (2588, 11150755), (2633, 10960180), (3235, 8920604), (3388, 8517755), (4235, 6814204), (4529, 6371860), (5266, 5480090), (6470, 4460302), (7117, 4054820), (8470, 3407102), (9058, 3185930), (10532, 2740045), (12940, 2230151), (13165, 2192036), (14234, 2027410), (16940, 1703551), (18116, 1592965), (18431, 1565740), (22645, 1274372), (26330, 1096018), (28468, 1013705), (28963, 996380), (35585, 810964), (36862, 782870), (45290, 637186), (49819, 579260), (52660, 548009), (57926, 498190), (71170, 405482), (73724, 391435), (78287, 368620), (90580, 318593), (92155, 313148), (99638, 289630), (115852, 249095), (142340, 202741), (144815, 199276), (156574, 184310)]