90425600

素因数分解:

$2^8\times 5^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:296

約数の個数: 108

約数和(自身を含む): 228110400

約数和(自身を除く): 137684800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 128, 142, 160, 199, 200, 256, 284, 320, 355, 398, 400, 568, 640, 710, 796, 800, 995, 1136, 1280, 1420, 1592, 1600, 1775, 1990, 2272, 2840, 3184, 3200, 3550, 3980, 4544, 4975, 5680, 6368, 6400, 7100, 7960, 9088, 9950, 11360, 12736, 14129, 14200, 15920, 18176, 19900, 22720, 25472, 28258, 28400, 31840, 39800, 45440, 50944, 56516, 56800, 63680, 70645, 79600, 90880, 113032, 113600, 127360, 141290, 159200, 226064, 227200, 254720, 282580, 318400, 353225, 452128, 454400, 565160, 636800, 706450, 904256, 1130320, 1273600, 1412900, 1808512, 2260640, 2825800, 3617024, 4521280, 5651600, 9042560, 11303200, 18085120, 22606400, 45212800, 90425600]

約数ペア:

[(1, 90425600), (2, 45212800), (4, 22606400), (5, 18085120), (8, 11303200), (10, 9042560), (16, 5651600), (20, 4521280), (25, 3617024), (32, 2825800), (40, 2260640), (50, 1808512), (64, 1412900), (71, 1273600), (80, 1130320), (100, 904256), (128, 706450), (142, 636800), (160, 565160), (199, 454400), (200, 452128), (256, 353225), (284, 318400), (320, 282580), (355, 254720), (398, 227200), (400, 226064), (568, 159200), (640, 141290), (710, 127360), (796, 113600), (800, 113032), (995, 90880), (1136, 79600), (1280, 70645), (1420, 63680), (1592, 56800), (1600, 56516), (1775, 50944), (1990, 45440), (2272, 39800), (2840, 31840), (3184, 28400), (3200, 28258), (3550, 25472), (3980, 22720), (4544, 19900), (4975, 18176), (5680, 15920), (6368, 14200), (6400, 14129), (7100, 12736), (7960, 11360), (9088, 9950)]