28575300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 94493952

約数和(自身を除く): 65918652

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, 431, 442, 510, 650, 663, 780, 850, 862, 884, 975, 1020, 1105, 1275, 1293, 1300, 1326, 1700, 1724, 1950, 2155, 2210, 2550, 2586, 2652, 3315, 3900, 4310, 4420, 5100, 5172, 5525, 5603, 6465, 6630, 7327, 8620, 10775, 11050, 11206, 12930, 13260, 14654, 16575, 16809, 21550, 21981, 22100, 22412, 25860, 28015, 29308, 32325, 33150, 33618, 36635, 43100, 43962, 56030, 64650, 66300, 67236, 73270, 84045, 87924, 95251, 109905, 112060, 129300, 140075, 146540, 168090, 183175, 190502, 219810, 280150, 285753, 336180, 366350, 381004, 420225, 439620, 476255, 549525, 560300, 571506, 732700, 840450, 952510, 1099050, 1143012, 1428765, 1680900, 1905020, 2198100, 2381275, 2857530, 4762550, 5715060, 7143825, 9525100, 14287650, 28575300]

約数ペア:

[(1, 28575300), (2, 14287650), (3, 9525100), (4, 7143825), (5, 5715060), (6, 4762550), (10, 2857530), (12, 2381275), (13, 2198100), (15, 1905020), (17, 1680900), (20, 1428765), (25, 1143012), (26, 1099050), (30, 952510), (34, 840450), (39, 732700), (50, 571506), (51, 560300), (52, 549525), (60, 476255), (65, 439620), (68, 420225), (75, 381004), (78, 366350), (85, 336180), (100, 285753), (102, 280150), (130, 219810), (150, 190502), (156, 183175), (170, 168090), (195, 146540), (204, 140075), (221, 129300), (255, 112060), (260, 109905), (300, 95251), (325, 87924), (340, 84045), (390, 73270), (425, 67236), (431, 66300), (442, 64650), (510, 56030), (650, 43962), (663, 43100), (780, 36635), (850, 33618), (862, 33150), (884, 32325), (975, 29308), (1020, 28015), (1105, 25860), (1275, 22412), (1293, 22100), (1300, 21981), (1326, 21550), (1700, 16809), (1724, 16575), (1950, 14654), (2155, 13260), (2210, 12930), (2550, 11206), (2586, 11050), (2652, 10775), (3315, 8620), (3900, 7327), (4310, 6630), (4420, 6465), (5100, 5603), (5172, 5525)]