1728930140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{3041}}^1$

素因数の和:3219

約数の個数: 96

約数和(自身を含む): 4317401088

約数和(自身を除く): 2588470948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 131, 140, 155, 217, 262, 310, 434, 524, 620, 655, 868, 917, 1085, 1310, 1834, 2170, 2620, 3041, 3668, 4061, 4340, 4585, 6082, 8122, 9170, 12164, 15205, 16244, 18340, 20305, 21287, 28427, 30410, 40610, 42574, 56854, 60820, 81220, 85148, 94271, 106435, 113708, 142135, 188542, 212870, 284270, 377084, 398371, 425740, 471355, 568540, 659897, 796742, 942710, 1319794, 1593484, 1885420, 1991855, 2639588, 2788597, 3299485, 3983710, 5577194, 6598970, 7967420, 11154388, 12349501, 13197940, 13942985, 24699002, 27885970, 49398004, 55771940, 61747505, 86446507, 123495010, 172893014, 246990020, 345786028, 432232535, 864465070, 1728930140]

約数ペア:

[(1, 1728930140), (2, 864465070), (4, 432232535), (5, 345786028), (7, 246990020), (10, 172893014), (14, 123495010), (20, 86446507), (28, 61747505), (31, 55771940), (35, 49398004), (62, 27885970), (70, 24699002), (124, 13942985), (131, 13197940), (140, 12349501), (155, 11154388), (217, 7967420), (262, 6598970), (310, 5577194), (434, 3983710), (524, 3299485), (620, 2788597), (655, 2639588), (868, 1991855), (917, 1885420), (1085, 1593484), (1310, 1319794), (1834, 942710), (2170, 796742), (2620, 659897), (3041, 568540), (3668, 471355), (4061, 425740), (4340, 398371), (4585, 377084), (6082, 284270), (8122, 212870), (9170, 188542), (12164, 142135), (15205, 113708), (16244, 106435), (18340, 94271), (20305, 85148), (21287, 81220), (28427, 60820), (30410, 56854), (40610, 42574)]