2816843900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{647}}^1$

素因数の和:888

約数の個数: 144

約数和(自身を含む): 7016175936

約数和(自身を除く): 4199332036

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 197, 221, 260, 325, 340, 394, 425, 442, 647, 650, 788, 850, 884, 985, 1105, 1294, 1300, 1700, 1970, 2210, 2561, 2588, 3235, 3349, 3940, 4420, 4925, 5122, 5525, 6470, 6698, 8411, 9850, 10244, 10999, 11050, 12805, 12940, 13396, 16175, 16745, 16822, 19700, 21998, 22100, 25610, 32350, 33490, 33644, 42055, 43537, 43996, 51220, 54995, 64025, 64700, 66980, 83725, 84110, 87074, 109990, 127459, 128050, 142987, 167450, 168220, 174148, 210275, 217685, 219980, 254918, 256100, 274975, 285974, 334900, 420550, 435370, 509836, 549950, 571948, 637295, 714935, 841100, 870740, 1088425, 1099900, 1274590, 1429870, 1656967, 2166803, 2176850, 2549180, 2859740, 3186475, 3313934, 3574675, 4333606, 4353700, 6372950, 6627868, 7149350, 8284835, 8667212, 10834015, 12745900, 14298700, 16569670, 21668030, 28168439, 33139340, 41424175, 43336060, 54170075, 56336878, 82848350, 108340150, 112673756, 140842195, 165696700, 216680300, 281684390, 563368780, 704210975, 1408421950, 2816843900]

約数ペア:

[(1, 2816843900), (2, 1408421950), (4, 704210975), (5, 563368780), (10, 281684390), (13, 216680300), (17, 165696700), (20, 140842195), (25, 112673756), (26, 108340150), (34, 82848350), (50, 56336878), (52, 54170075), (65, 43336060), (68, 41424175), (85, 33139340), (100, 28168439), (130, 21668030), (170, 16569670), (197, 14298700), (221, 12745900), (260, 10834015), (325, 8667212), (340, 8284835), (394, 7149350), (425, 6627868), (442, 6372950), (647, 4353700), (650, 4333606), (788, 3574675), (850, 3313934), (884, 3186475), (985, 2859740), (1105, 2549180), (1294, 2176850), (1300, 2166803), (1700, 1656967), (1970, 1429870), (2210, 1274590), (2561, 1099900), (2588, 1088425), (3235, 870740), (3349, 841100), (3940, 714935), (4420, 637295), (4925, 571948), (5122, 549950), (5525, 509836), (6470, 435370), (6698, 420550), (8411, 334900), (9850, 285974), (10244, 274975), (10999, 256100), (11050, 254918), (12805, 219980), (12940, 217685), (13396, 210275), (16175, 174148), (16745, 168220), (16822, 167450), (19700, 142987), (21998, 128050), (22100, 127459), (25610, 109990), (32350, 87074), (33490, 84110), (33644, 83725), (42055, 66980), (43537, 64700), (43996, 64025), (51220, 54995)]