7804250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 16174080

約数和(自身を除く): 8369830

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 53, 62, 95, 106, 125, 155, 190, 250, 265, 310, 475, 530, 589, 775, 950, 1007, 1178, 1325, 1550, 1643, 2014, 2375, 2650, 2945, 3286, 3875, 4750, 5035, 5890, 6625, 7750, 8215, 10070, 13250, 14725, 16430, 25175, 29450, 31217, 41075, 50350, 62434, 73625, 82150, 125875, 147250, 156085, 205375, 251750, 312170, 410750, 780425, 1560850, 3902125, 7804250]

約数ペア:

[(1, 7804250), (2, 3902125), (5, 1560850), (10, 780425), (19, 410750), (25, 312170), (31, 251750), (38, 205375), (50, 156085), (53, 147250), (62, 125875), (95, 82150), (106, 73625), (125, 62434), (155, 50350), (190, 41075), (250, 31217), (265, 29450), (310, 25175), (475, 16430), (530, 14725), (589, 13250), (775, 10070), (950, 8215), (1007, 7750), (1178, 6625), (1325, 5890), (1550, 5035), (1643, 4750), (2014, 3875), (2375, 3286), (2650, 2945)]