28707900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 94931424

約数和(自身を除く): 66223524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 25, 26, 30, 34, 39, 50, 51, 52, 60, 65, 68, 75, 78, 85, 100, 102, 130, 150, 156, 170, 195, 204, 221, 255, 260, 300, 325, 340, 390, 425, 433, 442, 510, 650, 663, 780, 850, 866, 884, 975, 1020, 1105, 1275, 1299, 1300, 1326, 1700, 1732, 1950, 2165, 2210, 2550, 2598, 2652, 3315, 3900, 4330, 4420, 5100, 5196, 5525, 5629, 6495, 6630, 7361, 8660, 10825, 11050, 11258, 12990, 13260, 14722, 16575, 16887, 21650, 22083, 22100, 22516, 25980, 28145, 29444, 32475, 33150, 33774, 36805, 43300, 44166, 56290, 64950, 66300, 67548, 73610, 84435, 88332, 95693, 110415, 112580, 129900, 140725, 147220, 168870, 184025, 191386, 220830, 281450, 287079, 337740, 368050, 382772, 422175, 441660, 478465, 552075, 562900, 574158, 736100, 844350, 956930, 1104150, 1148316, 1435395, 1688700, 1913860, 2208300, 2392325, 2870790, 4784650, 5741580, 7176975, 9569300, 14353950, 28707900]

約数ペア:

[(1, 28707900), (2, 14353950), (3, 9569300), (4, 7176975), (5, 5741580), (6, 4784650), (10, 2870790), (12, 2392325), (13, 2208300), (15, 1913860), (17, 1688700), (20, 1435395), (25, 1148316), (26, 1104150), (30, 956930), (34, 844350), (39, 736100), (50, 574158), (51, 562900), (52, 552075), (60, 478465), (65, 441660), (68, 422175), (75, 382772), (78, 368050), (85, 337740), (100, 287079), (102, 281450), (130, 220830), (150, 191386), (156, 184025), (170, 168870), (195, 147220), (204, 140725), (221, 129900), (255, 112580), (260, 110415), (300, 95693), (325, 88332), (340, 84435), (390, 73610), (425, 67548), (433, 66300), (442, 64950), (510, 56290), (650, 44166), (663, 43300), (780, 36805), (850, 33774), (866, 33150), (884, 32475), (975, 29444), (1020, 28145), (1105, 25980), (1275, 22516), (1299, 22100), (1300, 22083), (1326, 21650), (1700, 16887), (1732, 16575), (1950, 14722), (2165, 13260), (2210, 12990), (2550, 11258), (2598, 11050), (2652, 10825), (3315, 8660), (3900, 7361), (4330, 6630), (4420, 6495), (5100, 5629), (5196, 5525)]