2887240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 7128000

約数和(自身を除く): 4240760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 131, 145, 152, 190, 232, 262, 290, 380, 524, 551, 580, 655, 760, 1048, 1102, 1160, 1310, 2204, 2489, 2620, 2755, 3799, 4408, 4978, 5240, 5510, 7598, 9956, 11020, 12445, 15196, 18995, 19912, 22040, 24890, 30392, 37990, 49780, 72181, 75980, 99560, 144362, 151960, 288724, 360905, 577448, 721810, 1443620, 2887240]

約数ペア:

[(1, 2887240), (2, 1443620), (4, 721810), (5, 577448), (8, 360905), (10, 288724), (19, 151960), (20, 144362), (29, 99560), (38, 75980), (40, 72181), (58, 49780), (76, 37990), (95, 30392), (116, 24890), (131, 22040), (145, 19912), (152, 18995), (190, 15196), (232, 12445), (262, 11020), (290, 9956), (380, 7598), (524, 5510), (551, 5240), (580, 4978), (655, 4408), (760, 3799), (1048, 2755), (1102, 2620), (1160, 2489), (1310, 2204)]