669847100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8447}}^1$

素因数の和:8535

約数の個数: 72

約数和(自身を含む): 1591231488

約数和(自身を除く): 921384388

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 244, 260, 305, 325, 610, 650, 793, 1220, 1300, 1525, 1586, 3050, 3172, 3965, 6100, 7930, 8447, 15860, 16894, 19825, 33788, 39650, 42235, 79300, 84470, 109811, 168940, 211175, 219622, 422350, 439244, 515267, 549055, 844700, 1030534, 1098110, 2061068, 2196220, 2576335, 2745275, 5152670, 5490550, 6698471, 10305340, 10981100, 12881675, 13396942, 25763350, 26793884, 33492355, 51526700, 66984710, 133969420, 167461775, 334923550, 669847100]

約数ペア:

[(1, 669847100), (2, 334923550), (4, 167461775), (5, 133969420), (10, 66984710), (13, 51526700), (20, 33492355), (25, 26793884), (26, 25763350), (50, 13396942), (52, 12881675), (61, 10981100), (65, 10305340), (100, 6698471), (122, 5490550), (130, 5152670), (244, 2745275), (260, 2576335), (305, 2196220), (325, 2061068), (610, 1098110), (650, 1030534), (793, 844700), (1220, 549055), (1300, 515267), (1525, 439244), (1586, 422350), (3050, 219622), (3172, 211175), (3965, 168940), (6100, 109811), (7930, 84470), (8447, 79300), (15860, 42235), (16894, 39650), (19825, 33788)]