78380800

素因数分解:

$2^8\times 5^2\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 108

約数和(自身を含む): 199850056

約数和(自身を除く): 121469256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 128, 148, 160, 185, 200, 256, 296, 320, 331, 370, 400, 592, 640, 662, 740, 800, 925, 1184, 1280, 1324, 1480, 1600, 1655, 1850, 2368, 2648, 2960, 3200, 3310, 3700, 4736, 5296, 5920, 6400, 6620, 7400, 8275, 9472, 10592, 11840, 12247, 13240, 14800, 16550, 21184, 23680, 24494, 26480, 29600, 33100, 42368, 47360, 48988, 52960, 59200, 61235, 66200, 84736, 97976, 105920, 118400, 122470, 132400, 195952, 211840, 236800, 244940, 264800, 306175, 391904, 423680, 489880, 529600, 612350, 783808, 979760, 1059200, 1224700, 1567616, 1959520, 2118400, 2449400, 3135232, 3919040, 4898800, 7838080, 9797600, 15676160, 19595200, 39190400, 78380800]

約数ペア:

[(1, 78380800), (2, 39190400), (4, 19595200), (5, 15676160), (8, 9797600), (10, 7838080), (16, 4898800), (20, 3919040), (25, 3135232), (32, 2449400), (37, 2118400), (40, 1959520), (50, 1567616), (64, 1224700), (74, 1059200), (80, 979760), (100, 783808), (128, 612350), (148, 529600), (160, 489880), (185, 423680), (200, 391904), (256, 306175), (296, 264800), (320, 244940), (331, 236800), (370, 211840), (400, 195952), (592, 132400), (640, 122470), (662, 118400), (740, 105920), (800, 97976), (925, 84736), (1184, 66200), (1280, 61235), (1324, 59200), (1480, 52960), (1600, 48988), (1655, 47360), (1850, 42368), (2368, 33100), (2648, 29600), (2960, 26480), (3200, 24494), (3310, 23680), (3700, 21184), (4736, 16550), (5296, 14800), (5920, 13240), (6400, 12247), (6620, 11840), (7400, 10592), (8275, 9472)]