345623960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{25339}}^1$

素因数の和:25392

約数の個数: 64

約数和(自身を含む): 875750400

約数和(自身を除く): 530126440

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, 25339, 50678, 101356, 126695, 202712, 253390, 278729, 506780, 557458, 785509, 1013560, 1114916, 1393645, 1571018, 2229832, 2787290, 3142036, 3927545, 5574580, 6284072, 7855090, 8640599, 11149160, 15710180, 17281198, 31420360, 34562396, 43202995, 69124792, 86405990, 172811980, 345623960]

約数ペア:

[(1, 345623960), (2, 172811980), (4, 86405990), (5, 69124792), (8, 43202995), (10, 34562396), (11, 31420360), (20, 17281198), (22, 15710180), (31, 11149160), (40, 8640599), (44, 7855090), (55, 6284072), (62, 5574580), (88, 3927545), (110, 3142036), (124, 2787290), (155, 2229832), (220, 1571018), (248, 1393645), (310, 1114916), (341, 1013560), (440, 785509), (620, 557458), (682, 506780), (1240, 278729), (1364, 253390), (1705, 202712), (2728, 126695), (3410, 101356), (6820, 50678), (13640, 25339)]