28151500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 68245632

約数和(自身を除く): 40094132

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 71, 100, 122, 125, 130, 142, 244, 250, 260, 284, 305, 325, 355, 500, 610, 650, 710, 793, 923, 1220, 1300, 1420, 1525, 1586, 1625, 1775, 1846, 3050, 3172, 3250, 3550, 3692, 3965, 4331, 4615, 6100, 6500, 7100, 7625, 7930, 8662, 8875, 9230, 15250, 15860, 17324, 17750, 18460, 19825, 21655, 23075, 30500, 35500, 39650, 43310, 46150, 56303, 79300, 86620, 92300, 99125, 108275, 112606, 115375, 198250, 216550, 225212, 230750, 281515, 396500, 433100, 461500, 541375, 563030, 1082750, 1126060, 1407575, 2165500, 2815150, 5630300, 7037875, 14075750, 28151500]

約数ペア:

[(1, 28151500), (2, 14075750), (4, 7037875), (5, 5630300), (10, 2815150), (13, 2165500), (20, 1407575), (25, 1126060), (26, 1082750), (50, 563030), (52, 541375), (61, 461500), (65, 433100), (71, 396500), (100, 281515), (122, 230750), (125, 225212), (130, 216550), (142, 198250), (244, 115375), (250, 112606), (260, 108275), (284, 99125), (305, 92300), (325, 86620), (355, 79300), (500, 56303), (610, 46150), (650, 43310), (710, 39650), (793, 35500), (923, 30500), (1220, 23075), (1300, 21655), (1420, 19825), (1525, 18460), (1586, 17750), (1625, 17324), (1775, 15860), (1846, 15250), (3050, 9230), (3172, 8875), (3250, 8662), (3550, 7930), (3692, 7625), (3965, 7100), (4331, 6500), (4615, 6100)]