388432170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19889}}^1$

素因数の和:19940

約数の個数: 96

約数和(自身を含む): 1191490560

約数和(自身を除く): 803058390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 126, 155, 186, 210, 217, 279, 310, 315, 434, 465, 558, 630, 651, 930, 1085, 1302, 1395, 1953, 2170, 2790, 3255, 3906, 6510, 9765, 19530, 19889, 39778, 59667, 99445, 119334, 139223, 179001, 198890, 278446, 298335, 358002, 417669, 596670, 616559, 696115, 835338, 895005, 1233118, 1253007, 1392230, 1790010, 1849677, 2088345, 2506014, 3082795, 3699354, 4176690, 4315913, 5549031, 6165590, 6265035, 8631826, 9248385, 11098062, 12530070, 12947739, 18496770, 21579565, 25895478, 27745155, 38843217, 43159130, 55490310, 64738695, 77686434, 129477390, 194216085, 388432170]

約数ペア:

[(1, 388432170), (2, 194216085), (3, 129477390), (5, 77686434), (6, 64738695), (7, 55490310), (9, 43159130), (10, 38843217), (14, 27745155), (15, 25895478), (18, 21579565), (21, 18496770), (30, 12947739), (31, 12530070), (35, 11098062), (42, 9248385), (45, 8631826), (62, 6265035), (63, 6165590), (70, 5549031), (90, 4315913), (93, 4176690), (105, 3699354), (126, 3082795), (155, 2506014), (186, 2088345), (210, 1849677), (217, 1790010), (279, 1392230), (310, 1253007), (315, 1233118), (434, 895005), (465, 835338), (558, 696115), (630, 616559), (651, 596670), (930, 417669), (1085, 358002), (1302, 298335), (1395, 278446), (1953, 198890), (2170, 179001), (2790, 139223), (3255, 119334), (3906, 99445), (6510, 59667), (9765, 39778), (19530, 19889)]