200950840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6449}}^1$

素因数の和:6520

約数の個数: 64

約数和(自身を含む): 487620000

約数和(自身を除く): 286669160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 3116, 3895, 6232, 6449, 7790, 12898, 15580, 25796, 31160, 32245, 51592, 64490, 122531, 128980, 245062, 257960, 264409, 490124, 528818, 612655, 980248, 1057636, 1225310, 1322045, 2115272, 2450620, 2644090, 4901240, 5023771, 5288180, 10047542, 10576360, 20095084, 25118855, 40190168, 50237710, 100475420, 200950840]

約数ペア:

[(1, 200950840), (2, 100475420), (4, 50237710), (5, 40190168), (8, 25118855), (10, 20095084), (19, 10576360), (20, 10047542), (38, 5288180), (40, 5023771), (41, 4901240), (76, 2644090), (82, 2450620), (95, 2115272), (152, 1322045), (164, 1225310), (190, 1057636), (205, 980248), (328, 612655), (380, 528818), (410, 490124), (760, 264409), (779, 257960), (820, 245062), (1558, 128980), (1640, 122531), (3116, 64490), (3895, 51592), (6232, 32245), (6449, 31160), (7790, 25796), (12898, 15580)]