139346875

素因数分解:

$5^5\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 191800224

約数和(自身を除く): 52453349

約数列:

[1, 5, 17, 25, 43, 61, 85, 125, 215, 305, 425, 625, 731, 1037, 1075, 1525, 2125, 2623, 3125, 3655, 5185, 5375, 7625, 10625, 13115, 18275, 25925, 26875, 38125, 44591, 53125, 65575, 91375, 129625, 134375, 190625, 222955, 327875, 456875, 648125, 1114775, 1639375, 2284375, 3240625, 5573875, 8196875, 27869375, 139346875]

約数ペア:

[(1, 139346875), (5, 27869375), (17, 8196875), (25, 5573875), (43, 3240625), (61, 2284375), (85, 1639375), (125, 1114775), (215, 648125), (305, 456875), (425, 327875), (625, 222955), (731, 190625), (1037, 134375), (1075, 129625), (1525, 91375), (2125, 65575), (2623, 53125), (3125, 44591), (3655, 38125), (5185, 26875), (5375, 25925), (7625, 18275), (10625, 13115)]