431289440

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:472

約数の個数: 96

約数和(自身を含む): 1043280000

約数和(自身を除く): 611990560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 149, 158, 160, 229, 298, 316, 395, 458, 596, 632, 745, 790, 916, 1145, 1192, 1264, 1490, 1580, 1832, 2290, 2384, 2528, 2980, 3160, 3664, 4580, 4768, 5960, 6320, 7328, 9160, 11771, 11920, 12640, 18091, 18320, 23542, 23840, 34121, 36182, 36640, 47084, 58855, 68242, 72364, 90455, 94168, 117710, 136484, 144728, 170605, 180910, 188336, 235420, 272968, 289456, 341210, 361820, 376672, 470840, 545936, 578912, 682420, 723640, 941680, 1091872, 1364840, 1447280, 1883360, 2695559, 2729680, 2894560, 5391118, 5459360, 10782236, 13477795, 21564472, 26955590, 43128944, 53911180, 86257888, 107822360, 215644720, 431289440]

約数ペア:

[(1, 431289440), (2, 215644720), (4, 107822360), (5, 86257888), (8, 53911180), (10, 43128944), (16, 26955590), (20, 21564472), (32, 13477795), (40, 10782236), (79, 5459360), (80, 5391118), (149, 2894560), (158, 2729680), (160, 2695559), (229, 1883360), (298, 1447280), (316, 1364840), (395, 1091872), (458, 941680), (596, 723640), (632, 682420), (745, 578912), (790, 545936), (916, 470840), (1145, 376672), (1192, 361820), (1264, 341210), (1490, 289456), (1580, 272968), (1832, 235420), (2290, 188336), (2384, 180910), (2528, 170605), (2980, 144728), (3160, 136484), (3664, 117710), (4580, 94168), (4768, 90455), (5960, 72364), (6320, 68242), (7328, 58855), (9160, 47084), (11771, 36640), (11920, 36182), (12640, 34121), (18091, 23840), (18320, 23542)]