144175550

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 274201200

約数和(自身を除く): 130025650

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 179, 181, 358, 362, 445, 890, 895, 905, 1790, 1810, 2225, 4450, 4475, 4525, 8950, 9050, 15931, 16109, 31862, 32218, 32399, 64798, 79655, 80545, 159310, 161090, 161995, 323990, 398275, 402725, 796550, 805450, 809975, 1619950, 2883511, 5767022, 14417555, 28835110, 72087775, 144175550]

約数ペア:

[(1, 144175550), (2, 72087775), (5, 28835110), (10, 14417555), (25, 5767022), (50, 2883511), (89, 1619950), (178, 809975), (179, 805450), (181, 796550), (358, 402725), (362, 398275), (445, 323990), (890, 161995), (895, 161090), (905, 159310), (1790, 80545), (1810, 79655), (2225, 64798), (4450, 32399), (4475, 32218), (4525, 31862), (8950, 16109), (9050, 15931)]