77753890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 156119040

約数和(自身を除く): 78365150

約数列:

[1, 2, 5, 10, 19, 31, 38, 43, 62, 86, 95, 155, 190, 215, 307, 310, 430, 589, 614, 817, 1178, 1333, 1535, 1634, 2666, 2945, 3070, 4085, 5833, 5890, 6665, 8170, 9517, 11666, 13201, 13330, 19034, 25327, 26402, 29165, 47585, 50654, 58330, 66005, 95170, 126635, 132010, 180823, 250819, 253270, 361646, 409231, 501638, 818462, 904115, 1254095, 1808230, 2046155, 2508190, 4092310, 7775389, 15550778, 38876945, 77753890]

約数ペア:

[(1, 77753890), (2, 38876945), (5, 15550778), (10, 7775389), (19, 4092310), (31, 2508190), (38, 2046155), (43, 1808230), (62, 1254095), (86, 904115), (95, 818462), (155, 501638), (190, 409231), (215, 361646), (307, 253270), (310, 250819), (430, 180823), (589, 132010), (614, 126635), (817, 95170), (1178, 66005), (1333, 58330), (1535, 50654), (1634, 47585), (2666, 29165), (2945, 26402), (3070, 25327), (4085, 19034), (5833, 13330), (5890, 13201), (6665, 11666), (8170, 9517)]