278330650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 584212608

約数和(自身を除く): 305881958

約数列:

[1, 2, 5, 10, 13, 25, 26, 37, 50, 65, 71, 74, 130, 142, 163, 185, 325, 326, 355, 370, 481, 650, 710, 815, 923, 925, 962, 1630, 1775, 1846, 1850, 2119, 2405, 2627, 3550, 4075, 4238, 4615, 4810, 5254, 6031, 8150, 9230, 10595, 11573, 12025, 12062, 13135, 21190, 23075, 23146, 24050, 26270, 30155, 34151, 46150, 52975, 57865, 60310, 65675, 68302, 78403, 105950, 115730, 131350, 150449, 150775, 156806, 170755, 289325, 300898, 301550, 341510, 392015, 428201, 578650, 752245, 784030, 853775, 856402, 1504490, 1707550, 1960075, 2141005, 3761225, 3920150, 4282010, 5566613, 7522450, 10705025, 11133226, 21410050, 27833065, 55666130, 139165325, 278330650]

約数ペア:

[(1, 278330650), (2, 139165325), (5, 55666130), (10, 27833065), (13, 21410050), (25, 11133226), (26, 10705025), (37, 7522450), (50, 5566613), (65, 4282010), (71, 3920150), (74, 3761225), (130, 2141005), (142, 1960075), (163, 1707550), (185, 1504490), (325, 856402), (326, 853775), (355, 784030), (370, 752245), (481, 578650), (650, 428201), (710, 392015), (815, 341510), (923, 301550), (925, 300898), (962, 289325), (1630, 170755), (1775, 156806), (1846, 150775), (1850, 150449), (2119, 131350), (2405, 115730), (2627, 105950), (3550, 78403), (4075, 68302), (4238, 65675), (4615, 60310), (4810, 57865), (5254, 52975), (6031, 46150), (8150, 34151), (9230, 30155), (10595, 26270), (11573, 24050), (12025, 23146), (12062, 23075), (13135, 21190)]