90747020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 253380960

約数和(自身を除く): 162633940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 49, 52, 65, 68, 70, 85, 91, 98, 119, 130, 140, 170, 182, 196, 221, 238, 245, 260, 340, 364, 419, 442, 455, 476, 490, 595, 637, 833, 838, 884, 910, 980, 1105, 1190, 1274, 1547, 1666, 1676, 1820, 2095, 2210, 2380, 2548, 2933, 3094, 3185, 3332, 4165, 4190, 4420, 5447, 5866, 6188, 6370, 7123, 7735, 8330, 8380, 10829, 10894, 11732, 12740, 14246, 14665, 15470, 16660, 20531, 21658, 21788, 27235, 28492, 29330, 30940, 35615, 38129, 41062, 43316, 49861, 54145, 54470, 58660, 71230, 76258, 82124, 92599, 99722, 102655, 108290, 108940, 142460, 152516, 185198, 190645, 199444, 205310, 216580, 249305, 266903, 349027, 370396, 381290, 410620, 462995, 498610, 533806, 648193, 698054, 762580, 925990, 997220, 1067612, 1296386, 1334515, 1396108, 1745135, 1851980, 2592772, 2669030, 3240965, 3490270, 4537351, 5338060, 6481930, 6980540, 9074702, 12963860, 18149404, 22686755, 45373510, 90747020]

約数ペア:

[(1, 90747020), (2, 45373510), (4, 22686755), (5, 18149404), (7, 12963860), (10, 9074702), (13, 6980540), (14, 6481930), (17, 5338060), (20, 4537351), (26, 3490270), (28, 3240965), (34, 2669030), (35, 2592772), (49, 1851980), (52, 1745135), (65, 1396108), (68, 1334515), (70, 1296386), (85, 1067612), (91, 997220), (98, 925990), (119, 762580), (130, 698054), (140, 648193), (170, 533806), (182, 498610), (196, 462995), (221, 410620), (238, 381290), (245, 370396), (260, 349027), (340, 266903), (364, 249305), (419, 216580), (442, 205310), (455, 199444), (476, 190645), (490, 185198), (595, 152516), (637, 142460), (833, 108940), (838, 108290), (884, 102655), (910, 99722), (980, 92599), (1105, 82124), (1190, 76258), (1274, 71230), (1547, 58660), (1666, 54470), (1676, 54145), (1820, 49861), (2095, 43316), (2210, 41062), (2380, 38129), (2548, 35615), (2933, 30940), (3094, 29330), (3185, 28492), (3332, 27235), (4165, 21788), (4190, 21658), (4420, 20531), (5447, 16660), (5866, 15470), (6188, 14665), (6370, 14246), (7123, 12740), (7735, 11732), (8330, 10894), (8380, 10829)]