31151800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 77338800

約数和(自身を除く): 46187000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 41, 50, 58, 82, 100, 116, 131, 145, 164, 200, 205, 232, 262, 290, 328, 410, 524, 580, 655, 725, 820, 1025, 1048, 1160, 1189, 1310, 1450, 1640, 2050, 2378, 2620, 2900, 3275, 3799, 4100, 4756, 5240, 5371, 5800, 5945, 6550, 7598, 8200, 9512, 10742, 11890, 13100, 15196, 18995, 21484, 23780, 26200, 26855, 29725, 30392, 37990, 42968, 47560, 53710, 59450, 75980, 94975, 107420, 118900, 134275, 151960, 155759, 189950, 214840, 237800, 268550, 311518, 379900, 537100, 623036, 759800, 778795, 1074200, 1246072, 1557590, 3115180, 3893975, 6230360, 7787950, 15575900, 31151800]

約数ペア:

[(1, 31151800), (2, 15575900), (4, 7787950), (5, 6230360), (8, 3893975), (10, 3115180), (20, 1557590), (25, 1246072), (29, 1074200), (40, 778795), (41, 759800), (50, 623036), (58, 537100), (82, 379900), (100, 311518), (116, 268550), (131, 237800), (145, 214840), (164, 189950), (200, 155759), (205, 151960), (232, 134275), (262, 118900), (290, 107420), (328, 94975), (410, 75980), (524, 59450), (580, 53710), (655, 47560), (725, 42968), (820, 37990), (1025, 30392), (1048, 29725), (1160, 26855), (1189, 26200), (1310, 23780), (1450, 21484), (1640, 18995), (2050, 15196), (2378, 13100), (2620, 11890), (2900, 10742), (3275, 9512), (3799, 8200), (4100, 7598), (4756, 6550), (5240, 5945), (5371, 5800)]