18707200

素因数分解:

$2^8\times 5^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 108

約数和(自身を含む): 48156640

約数和(自身を除く): 29449440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 79, 80, 100, 128, 148, 158, 160, 185, 200, 256, 296, 316, 320, 370, 395, 400, 592, 632, 640, 740, 790, 800, 925, 1184, 1264, 1280, 1480, 1580, 1600, 1850, 1975, 2368, 2528, 2923, 2960, 3160, 3200, 3700, 3950, 4736, 5056, 5846, 5920, 6320, 6400, 7400, 7900, 9472, 10112, 11692, 11840, 12640, 14615, 14800, 15800, 20224, 23384, 23680, 25280, 29230, 29600, 31600, 46768, 47360, 50560, 58460, 59200, 63200, 73075, 93536, 101120, 116920, 118400, 126400, 146150, 187072, 233840, 236800, 252800, 292300, 374144, 467680, 505600, 584600, 748288, 935360, 1169200, 1870720, 2338400, 3741440, 4676800, 9353600, 18707200]

約数ペア:

[(1, 18707200), (2, 9353600), (4, 4676800), (5, 3741440), (8, 2338400), (10, 1870720), (16, 1169200), (20, 935360), (25, 748288), (32, 584600), (37, 505600), (40, 467680), (50, 374144), (64, 292300), (74, 252800), (79, 236800), (80, 233840), (100, 187072), (128, 146150), (148, 126400), (158, 118400), (160, 116920), (185, 101120), (200, 93536), (256, 73075), (296, 63200), (316, 59200), (320, 58460), (370, 50560), (395, 47360), (400, 46768), (592, 31600), (632, 29600), (640, 29230), (740, 25280), (790, 23680), (800, 23384), (925, 20224), (1184, 15800), (1264, 14800), (1280, 14615), (1480, 12640), (1580, 11840), (1600, 11692), (1850, 10112), (1975, 9472), (2368, 7900), (2528, 7400), (2923, 6400), (2960, 6320), (3160, 5920), (3200, 5846), (3700, 5056), (3950, 4736)]