78497600

素因数分解:

$2^6\times 5^2\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:784

約数の個数: 84

約数和(自身を含む): 196157088

約数和(自身を除く): 117659488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 142, 160, 200, 284, 320, 355, 400, 568, 691, 710, 800, 1136, 1382, 1420, 1600, 1775, 2272, 2764, 2840, 3455, 3550, 4544, 5528, 5680, 6910, 7100, 11056, 11360, 13820, 14200, 17275, 22112, 22720, 27640, 28400, 34550, 44224, 49061, 55280, 56800, 69100, 98122, 110560, 113600, 138200, 196244, 221120, 245305, 276400, 392488, 490610, 552800, 784976, 981220, 1105600, 1226525, 1569952, 1962440, 2453050, 3139904, 3924880, 4906100, 7849760, 9812200, 15699520, 19624400, 39248800, 78497600]

約数ペア:

[(1, 78497600), (2, 39248800), (4, 19624400), (5, 15699520), (8, 9812200), (10, 7849760), (16, 4906100), (20, 3924880), (25, 3139904), (32, 2453050), (40, 1962440), (50, 1569952), (64, 1226525), (71, 1105600), (80, 981220), (100, 784976), (142, 552800), (160, 490610), (200, 392488), (284, 276400), (320, 245305), (355, 221120), (400, 196244), (568, 138200), (691, 113600), (710, 110560), (800, 98122), (1136, 69100), (1382, 56800), (1420, 55280), (1600, 49061), (1775, 44224), (2272, 34550), (2764, 28400), (2840, 27640), (3455, 22720), (3550, 22112), (4544, 17275), (5528, 14200), (5680, 13820), (6910, 11360), (7100, 11056)]