204500895

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 361152000

約数和(自身を除く): 156651105

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 109, 145, 227, 285, 327, 435, 545, 551, 681, 1135, 1635, 1653, 2071, 2755, 3161, 3405, 4313, 6213, 6583, 8265, 9483, 10355, 12939, 15805, 19749, 21565, 24743, 31065, 32915, 47415, 60059, 64695, 74229, 98745, 123715, 125077, 180177, 300295, 371145, 375231, 470117, 625385, 717547, 900885, 1410351, 1876155, 2152641, 2350585, 3587735, 7051755, 10763205, 13633393, 40900179, 68166965, 204500895]

約数ペア:

[(1, 204500895), (3, 68166965), (5, 40900179), (15, 13633393), (19, 10763205), (29, 7051755), (57, 3587735), (87, 2350585), (95, 2152641), (109, 1876155), (145, 1410351), (227, 900885), (285, 717547), (327, 625385), (435, 470117), (545, 375231), (551, 371145), (681, 300295), (1135, 180177), (1635, 125077), (1653, 123715), (2071, 98745), (2755, 74229), (3161, 64695), (3405, 60059), (4313, 47415), (6213, 32915), (6583, 31065), (8265, 24743), (9483, 21565), (10355, 19749), (12939, 15805)]