7131908980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{6547}}^1$

素因数の和:6845

約数の個数: 96

約数和(自身を含む): 17741832192

約数和(自身を除く): 10609923212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 251, 310, 434, 502, 620, 868, 1004, 1085, 1255, 1757, 2170, 2510, 3514, 4340, 5020, 6547, 7028, 7781, 8785, 13094, 15562, 17570, 26188, 31124, 32735, 35140, 38905, 45829, 54467, 65470, 77810, 91658, 108934, 130940, 155620, 183316, 202957, 217868, 229145, 272335, 405914, 458290, 544670, 811828, 916580, 1014785, 1089340, 1420699, 1643297, 2029570, 2841398, 3286594, 4059140, 5682796, 6573188, 7103495, 8216485, 11503079, 14206990, 16432970, 23006158, 28413980, 32865940, 46012316, 50942207, 57515395, 101884414, 115030790, 203768828, 230061580, 254711035, 356595449, 509422070, 713190898, 1018844140, 1426381796, 1782977245, 3565954490, 7131908980]

約数ペア:

[(1, 7131908980), (2, 3565954490), (4, 1782977245), (5, 1426381796), (7, 1018844140), (10, 713190898), (14, 509422070), (20, 356595449), (28, 254711035), (31, 230061580), (35, 203768828), (62, 115030790), (70, 101884414), (124, 57515395), (140, 50942207), (155, 46012316), (217, 32865940), (251, 28413980), (310, 23006158), (434, 16432970), (502, 14206990), (620, 11503079), (868, 8216485), (1004, 7103495), (1085, 6573188), (1255, 5682796), (1757, 4059140), (2170, 3286594), (2510, 2841398), (3514, 2029570), (4340, 1643297), (5020, 1420699), (6547, 1089340), (7028, 1014785), (7781, 916580), (8785, 811828), (13094, 544670), (15562, 458290), (17570, 405914), (26188, 272335), (31124, 229145), (32735, 217868), (35140, 202957), (38905, 183316), (45829, 155620), (54467, 130940), (65470, 108934), (77810, 91658)]