156966125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 222393600

約数和(自身を除く): 65427475

約数列:

[1, 5, 19, 25, 29, 43, 53, 95, 125, 145, 215, 265, 475, 551, 725, 817, 1007, 1075, 1247, 1325, 1537, 2279, 2375, 2755, 3625, 4085, 5035, 5375, 6235, 6625, 7685, 11395, 13775, 20425, 23693, 25175, 29203, 31175, 38425, 43301, 56975, 66091, 68875, 102125, 118465, 125875, 146015, 155875, 192125, 216505, 284875, 330455, 592325, 730075, 1082525, 1255729, 1652275, 2961625, 3650375, 5412625, 6278645, 8261375, 31393225, 156966125]

約数ペア:

[(1, 156966125), (5, 31393225), (19, 8261375), (25, 6278645), (29, 5412625), (43, 3650375), (53, 2961625), (95, 1652275), (125, 1255729), (145, 1082525), (215, 730075), (265, 592325), (475, 330455), (551, 284875), (725, 216505), (817, 192125), (1007, 155875), (1075, 146015), (1247, 125875), (1325, 118465), (1537, 102125), (2279, 68875), (2375, 66091), (2755, 56975), (3625, 43301), (4085, 38425), (5035, 31175), (5375, 29203), (6235, 25175), (6625, 23693), (7685, 20425), (11395, 13775)]