129212800

素因数分解:

$2^7\times 5^2\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:444

約数の個数: 96

約数和(自身を含む): 322524000

約数和(自身を除く): 193311200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 149, 160, 200, 271, 298, 320, 400, 542, 596, 640, 745, 800, 1084, 1192, 1355, 1490, 1600, 2168, 2384, 2710, 2980, 3200, 3725, 4336, 4768, 5420, 5960, 6775, 7450, 8672, 9536, 10840, 11920, 13550, 14900, 17344, 19072, 21680, 23840, 27100, 29800, 34688, 40379, 43360, 47680, 54200, 59600, 80758, 86720, 95360, 108400, 119200, 161516, 173440, 201895, 216800, 238400, 323032, 403790, 433600, 476800, 646064, 807580, 867200, 1009475, 1292128, 1615160, 2018950, 2584256, 3230320, 4037900, 5168512, 6460640, 8075800, 12921280, 16151600, 25842560, 32303200, 64606400, 129212800]

約数ペア:

[(1, 129212800), (2, 64606400), (4, 32303200), (5, 25842560), (8, 16151600), (10, 12921280), (16, 8075800), (20, 6460640), (25, 5168512), (32, 4037900), (40, 3230320), (50, 2584256), (64, 2018950), (80, 1615160), (100, 1292128), (128, 1009475), (149, 867200), (160, 807580), (200, 646064), (271, 476800), (298, 433600), (320, 403790), (400, 323032), (542, 238400), (596, 216800), (640, 201895), (745, 173440), (800, 161516), (1084, 119200), (1192, 108400), (1355, 95360), (1490, 86720), (1600, 80758), (2168, 59600), (2384, 54200), (2710, 47680), (2980, 43360), (3200, 40379), (3725, 34688), (4336, 29800), (4768, 27100), (5420, 23840), (5960, 21680), (6775, 19072), (7450, 17344), (8672, 14900), (9536, 13550), (10840, 11920)]