200728720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2791}}^1$

素因数の和:2864

約数の個数: 80

約数和(自身を含む): 498539520

約数和(自身を除く): 297810800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 1160, 1240, 1798, 2320, 2480, 2791, 3596, 4495, 5582, 7192, 8990, 11164, 13955, 14384, 17980, 22328, 27910, 35960, 44656, 55820, 71920, 80939, 86521, 111640, 161878, 173042, 223280, 323756, 346084, 404695, 432605, 647512, 692168, 809390, 865210, 1295024, 1384336, 1618780, 1730420, 2509109, 3237560, 3460840, 5018218, 6475120, 6921680, 10036436, 12545545, 20072872, 25091090, 40145744, 50182180, 100364360, 200728720]

約数ペア:

[(1, 200728720), (2, 100364360), (4, 50182180), (5, 40145744), (8, 25091090), (10, 20072872), (16, 12545545), (20, 10036436), (29, 6921680), (31, 6475120), (40, 5018218), (58, 3460840), (62, 3237560), (80, 2509109), (116, 1730420), (124, 1618780), (145, 1384336), (155, 1295024), (232, 865210), (248, 809390), (290, 692168), (310, 647512), (464, 432605), (496, 404695), (580, 346084), (620, 323756), (899, 223280), (1160, 173042), (1240, 161878), (1798, 111640), (2320, 86521), (2480, 80939), (2791, 71920), (3596, 55820), (4495, 44656), (5582, 35960), (7192, 27910), (8990, 22328), (11164, 17980), (13955, 14384)]