304800100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{691}}^1$

素因数の和:1117

約数の個数: 72

約数和(自身を含む): 724391136

約数和(自身を除く): 419591036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 401, 550, 691, 802, 1100, 1382, 1604, 2005, 2764, 3455, 4010, 4411, 6910, 7601, 8020, 8822, 10025, 13820, 15202, 17275, 17644, 20050, 22055, 30404, 34550, 38005, 40100, 44110, 69100, 76010, 88220, 110275, 152020, 190025, 220550, 277091, 380050, 441100, 554182, 760100, 1108364, 1385455, 2770910, 3048001, 5541820, 6096002, 6927275, 12192004, 13854550, 15240005, 27709100, 30480010, 60960020, 76200025, 152400050, 304800100]

約数ペア:

[(1, 304800100), (2, 152400050), (4, 76200025), (5, 60960020), (10, 30480010), (11, 27709100), (20, 15240005), (22, 13854550), (25, 12192004), (44, 6927275), (50, 6096002), (55, 5541820), (100, 3048001), (110, 2770910), (220, 1385455), (275, 1108364), (401, 760100), (550, 554182), (691, 441100), (802, 380050), (1100, 277091), (1382, 220550), (1604, 190025), (2005, 152020), (2764, 110275), (3455, 88220), (4010, 76010), (4411, 69100), (6910, 44110), (7601, 40100), (8020, 38005), (8822, 34550), (10025, 30404), (13820, 22055), (15202, 20050), (17275, 17644)]