648129200

素因数分解:

$2^4\times 5^2\times {\mathrm{139}}^1\times {\mathrm{11657}}^1$

素因数の和:11814

約数の個数: 60

約数和(自身を含む): 1568467320

約数和(自身を除く): 920338120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 139, 200, 278, 400, 556, 695, 1112, 1390, 2224, 2780, 3475, 5560, 6950, 11120, 11657, 13900, 23314, 27800, 46628, 55600, 58285, 93256, 116570, 186512, 233140, 291425, 466280, 582850, 932560, 1165700, 1620323, 2331400, 3240646, 4662800, 6481292, 8101615, 12962584, 16203230, 25925168, 32406460, 40508075, 64812920, 81016150, 129625840, 162032300, 324064600, 648129200]

約数ペア:

[(1, 648129200), (2, 324064600), (4, 162032300), (5, 129625840), (8, 81016150), (10, 64812920), (16, 40508075), (20, 32406460), (25, 25925168), (40, 16203230), (50, 12962584), (80, 8101615), (100, 6481292), (139, 4662800), (200, 3240646), (278, 2331400), (400, 1620323), (556, 1165700), (695, 932560), (1112, 582850), (1390, 466280), (2224, 291425), (2780, 233140), (3475, 186512), (5560, 116570), (6950, 93256), (11120, 58285), (11657, 55600), (13900, 46628), (23314, 27800)]