30686900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:585

約数の個数: 72

約数和(自身を含む): 72495360

約数和(自身を除く): 41808460

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 521, 589, 620, 775, 950, 1042, 1178, 1550, 1900, 2084, 2356, 2605, 2945, 3100, 5210, 5890, 9899, 10420, 11780, 13025, 14725, 16151, 19798, 26050, 29450, 32302, 39596, 49495, 52100, 58900, 64604, 80755, 98990, 161510, 197980, 247475, 306869, 323020, 403775, 494950, 613738, 807550, 989900, 1227476, 1534345, 1615100, 3068690, 6137380, 7671725, 15343450, 30686900]

約数ペア:

[(1, 30686900), (2, 15343450), (4, 7671725), (5, 6137380), (10, 3068690), (19, 1615100), (20, 1534345), (25, 1227476), (31, 989900), (38, 807550), (50, 613738), (62, 494950), (76, 403775), (95, 323020), (100, 306869), (124, 247475), (155, 197980), (190, 161510), (310, 98990), (380, 80755), (475, 64604), (521, 58900), (589, 52100), (620, 49495), (775, 39596), (950, 32302), (1042, 29450), (1178, 26050), (1550, 19798), (1900, 16151), (2084, 14725), (2356, 13025), (2605, 11780), (2945, 10420), (3100, 9899), (5210, 5890)]