531203900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3539}}^1$

素因数の和:3651

約数の個数: 72

約数和(自身を含む): 1229088000

約数和(自身を除く): 697884100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 79, 95, 100, 158, 190, 316, 380, 395, 475, 790, 950, 1501, 1580, 1900, 1975, 3002, 3539, 3950, 6004, 7078, 7505, 7900, 14156, 15010, 17695, 30020, 35390, 37525, 67241, 70780, 75050, 88475, 134482, 150100, 176950, 268964, 279581, 336205, 353900, 559162, 672410, 1118324, 1344820, 1397905, 1681025, 2795810, 3362050, 5312039, 5591620, 6724100, 6989525, 10624078, 13979050, 21248156, 26560195, 27958100, 53120390, 106240780, 132800975, 265601950, 531203900]

約数ペア:

[(1, 531203900), (2, 265601950), (4, 132800975), (5, 106240780), (10, 53120390), (19, 27958100), (20, 26560195), (25, 21248156), (38, 13979050), (50, 10624078), (76, 6989525), (79, 6724100), (95, 5591620), (100, 5312039), (158, 3362050), (190, 2795810), (316, 1681025), (380, 1397905), (395, 1344820), (475, 1118324), (790, 672410), (950, 559162), (1501, 353900), (1580, 336205), (1900, 279581), (1975, 268964), (3002, 176950), (3539, 150100), (3950, 134482), (6004, 88475), (7078, 75050), (7505, 70780), (7900, 67241), (14156, 37525), (15010, 35390), (17695, 30020)]