130528400

素因数分解:

$2^4\times 5^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 328800384

約数和(自身を除く): 198271984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 53, 80, 94, 100, 106, 131, 188, 200, 212, 235, 262, 265, 376, 400, 424, 470, 524, 530, 655, 752, 848, 940, 1048, 1060, 1175, 1310, 1325, 1880, 2096, 2120, 2350, 2491, 2620, 2650, 3275, 3760, 4240, 4700, 4982, 5240, 5300, 6157, 6550, 6943, 9400, 9964, 10480, 10600, 12314, 12455, 13100, 13886, 18800, 19928, 21200, 24628, 24910, 26200, 27772, 30785, 34715, 39856, 49256, 49820, 52400, 55544, 61570, 62275, 69430, 98512, 99640, 111088, 123140, 124550, 138860, 153925, 173575, 199280, 246280, 249100, 277720, 307850, 326321, 347150, 492560, 498200, 555440, 615700, 652642, 694300, 996400, 1231400, 1305284, 1388600, 1631605, 2462800, 2610568, 2777200, 3263210, 5221136, 6526420, 8158025, 13052840, 16316050, 26105680, 32632100, 65264200, 130528400]

約数ペア:

[(1, 130528400), (2, 65264200), (4, 32632100), (5, 26105680), (8, 16316050), (10, 13052840), (16, 8158025), (20, 6526420), (25, 5221136), (40, 3263210), (47, 2777200), (50, 2610568), (53, 2462800), (80, 1631605), (94, 1388600), (100, 1305284), (106, 1231400), (131, 996400), (188, 694300), (200, 652642), (212, 615700), (235, 555440), (262, 498200), (265, 492560), (376, 347150), (400, 326321), (424, 307850), (470, 277720), (524, 249100), (530, 246280), (655, 199280), (752, 173575), (848, 153925), (940, 138860), (1048, 124550), (1060, 123140), (1175, 111088), (1310, 99640), (1325, 98512), (1880, 69430), (2096, 62275), (2120, 61570), (2350, 55544), (2491, 52400), (2620, 49820), (2650, 49256), (3275, 39856), (3760, 34715), (4240, 30785), (4700, 27772), (4982, 26200), (5240, 24910), (5300, 24628), (6157, 21200), (6550, 19928), (6943, 18800), (9400, 13886), (9964, 13100), (10480, 12455), (10600, 12314)]