316638400

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1171}}^1$

素因数の和:1219

約数の個数: 126

約数和(自身を含む): 844392012

約数和(自身を除く): 527753612

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 169, 200, 208, 260, 320, 325, 338, 400, 416, 520, 650, 676, 800, 832, 845, 1040, 1171, 1300, 1352, 1600, 1690, 2080, 2342, 2600, 2704, 3380, 4160, 4225, 4684, 5200, 5408, 5855, 6760, 8450, 9368, 10400, 10816, 11710, 13520, 15223, 16900, 18736, 20800, 23420, 27040, 29275, 30446, 33800, 37472, 46840, 54080, 58550, 60892, 67600, 74944, 76115, 93680, 117100, 121784, 135200, 152230, 187360, 197899, 234200, 243568, 270400, 304460, 374720, 380575, 395798, 468400, 487136, 608920, 761150, 791596, 936800, 974272, 989495, 1217840, 1522300, 1583192, 1873600, 1978990, 2435680, 3044600, 3166384, 3957980, 4871360, 4947475, 6089200, 6332768, 7915960, 9894950, 12178400, 12665536, 15831920, 19789900, 24356800, 31663840, 39579800, 63327680, 79159600, 158319200, 316638400]

約数ペア:

[(1, 316638400), (2, 158319200), (4, 79159600), (5, 63327680), (8, 39579800), (10, 31663840), (13, 24356800), (16, 19789900), (20, 15831920), (25, 12665536), (26, 12178400), (32, 9894950), (40, 7915960), (50, 6332768), (52, 6089200), (64, 4947475), (65, 4871360), (80, 3957980), (100, 3166384), (104, 3044600), (130, 2435680), (160, 1978990), (169, 1873600), (200, 1583192), (208, 1522300), (260, 1217840), (320, 989495), (325, 974272), (338, 936800), (400, 791596), (416, 761150), (520, 608920), (650, 487136), (676, 468400), (800, 395798), (832, 380575), (845, 374720), (1040, 304460), (1171, 270400), (1300, 243568), (1352, 234200), (1600, 197899), (1690, 187360), (2080, 152230), (2342, 135200), (2600, 121784), (2704, 117100), (3380, 93680), (4160, 76115), (4225, 74944), (4684, 67600), (5200, 60892), (5408, 58550), (5855, 54080), (6760, 46840), (8450, 37472), (9368, 33800), (10400, 30446), (10816, 29275), (11710, 27040), (13520, 23420), (15223, 20800), (16900, 18736)]