212320400

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{6719}}^1$

素因数の和:6816

約数の個数: 60

約数和(自身を含む): 516633600

約数和(自身を除く): 304313200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 1264, 1580, 1975, 3160, 3950, 6320, 6719, 7900, 13438, 15800, 26876, 31600, 33595, 53752, 67190, 107504, 134380, 167975, 268760, 335950, 530801, 537520, 671900, 1061602, 1343800, 2123204, 2654005, 2687600, 4246408, 5308010, 8492816, 10616020, 13270025, 21232040, 26540050, 42464080, 53080100, 106160200, 212320400]

約数ペア:

[(1, 212320400), (2, 106160200), (4, 53080100), (5, 42464080), (8, 26540050), (10, 21232040), (16, 13270025), (20, 10616020), (25, 8492816), (40, 5308010), (50, 4246408), (79, 2687600), (80, 2654005), (100, 2123204), (158, 1343800), (200, 1061602), (316, 671900), (395, 537520), (400, 530801), (632, 335950), (790, 268760), (1264, 167975), (1580, 134380), (1975, 107504), (3160, 67190), (3950, 53752), (6320, 33595), (6719, 31600), (7900, 26876), (13438, 15800)]