204490920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89689}}^1$

素因数の和:89722

約数の個数: 64

約数和(自身を含む): 645768000

約数和(自身を除く): 441277080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 89689, 179378, 269067, 358756, 448445, 538134, 717512, 896890, 1076268, 1345335, 1704091, 1793780, 2152536, 2690670, 3408182, 3587560, 5112273, 5381340, 6816364, 8520455, 10224546, 10762680, 13632728, 17040910, 20449092, 25561365, 34081820, 40898184, 51122730, 68163640, 102245460, 204490920]

約数ペア:

[(1, 204490920), (2, 102245460), (3, 68163640), (4, 51122730), (5, 40898184), (6, 34081820), (8, 25561365), (10, 20449092), (12, 17040910), (15, 13632728), (19, 10762680), (20, 10224546), (24, 8520455), (30, 6816364), (38, 5381340), (40, 5112273), (57, 3587560), (60, 3408182), (76, 2690670), (95, 2152536), (114, 1793780), (120, 1704091), (152, 1345335), (190, 1076268), (228, 896890), (285, 717512), (380, 538134), (456, 448445), (570, 358756), (760, 269067), (1140, 179378), (2280, 89689)]