289728100

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 647021088

約数和(自身を除く): 357292988

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 83, 100, 134, 166, 268, 332, 335, 415, 521, 670, 830, 1042, 1340, 1660, 1675, 2075, 2084, 2605, 3350, 4150, 5210, 5561, 6700, 8300, 10420, 11122, 13025, 22244, 26050, 27805, 34907, 43243, 52100, 55610, 69814, 86486, 111220, 139025, 139628, 172972, 174535, 216215, 278050, 349070, 432430, 556100, 698140, 864860, 872675, 1081075, 1745350, 2162150, 2897281, 3490700, 4324300, 5794562, 11589124, 14486405, 28972810, 57945620, 72432025, 144864050, 289728100]

約数ペア:

[(1, 289728100), (2, 144864050), (4, 72432025), (5, 57945620), (10, 28972810), (20, 14486405), (25, 11589124), (50, 5794562), (67, 4324300), (83, 3490700), (100, 2897281), (134, 2162150), (166, 1745350), (268, 1081075), (332, 872675), (335, 864860), (415, 698140), (521, 556100), (670, 432430), (830, 349070), (1042, 278050), (1340, 216215), (1660, 174535), (1675, 172972), (2075, 139628), (2084, 139025), (2605, 111220), (3350, 86486), (4150, 69814), (5210, 55610), (5561, 52100), (6700, 43243), (8300, 34907), (10420, 27805), (11122, 26050), (13025, 22244)]