1900174760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139309}}^1$

素因数の和:139362

約数の個数: 64

約数和(自身を含む): 4814553600

約数和(自身を除く): 2914378840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 139309, 278618, 557236, 696545, 1114472, 1393090, 1532399, 2786180, 3064798, 4318579, 5572360, 6129596, 7661995, 8637158, 12259192, 15323990, 17274316, 21592895, 30647980, 34548632, 43185790, 47504369, 61295960, 86371580, 95008738, 172743160, 190017476, 237521845, 380034952, 475043690, 950087380, 1900174760]

約数ペア:

[(1, 1900174760), (2, 950087380), (4, 475043690), (5, 380034952), (8, 237521845), (10, 190017476), (11, 172743160), (20, 95008738), (22, 86371580), (31, 61295960), (40, 47504369), (44, 43185790), (55, 34548632), (62, 30647980), (88, 21592895), (110, 17274316), (124, 15323990), (155, 12259192), (220, 8637158), (248, 7661995), (310, 6129596), (341, 5572360), (440, 4318579), (620, 3064798), (682, 2786180), (1240, 1532399), (1364, 1393090), (1705, 1114472), (2728, 696545), (3410, 557236), (6820, 278618), (13640, 139309)]