1644157075

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 2351099520

約数和(自身を除く): 706942445

約数列:

[1, 5, 11, 25, 31, 55, 89, 121, 155, 197, 275, 341, 445, 605, 775, 979, 985, 1705, 2167, 2225, 2759, 3025, 3751, 4895, 4925, 6107, 8525, 10769, 10835, 13795, 17533, 18755, 23837, 24475, 30349, 30535, 53845, 54175, 67177, 68975, 87665, 93775, 119185, 151745, 152675, 192863, 269225, 333839, 335885, 438325, 543523, 595925, 738947, 758725, 964315, 1669195, 1679425, 2121493, 2717615, 3694735, 4821575, 5978753, 8345975, 10607465, 13588075, 18473675, 29893765, 53037325, 65766283, 149468825, 328831415, 1644157075]

約数ペア:

[(1, 1644157075), (5, 328831415), (11, 149468825), (25, 65766283), (31, 53037325), (55, 29893765), (89, 18473675), (121, 13588075), (155, 10607465), (197, 8345975), (275, 5978753), (341, 4821575), (445, 3694735), (605, 2717615), (775, 2121493), (979, 1679425), (985, 1669195), (1705, 964315), (2167, 758725), (2225, 738947), (2759, 595925), (3025, 543523), (3751, 438325), (4895, 335885), (4925, 333839), (6107, 269225), (8525, 192863), (10769, 152675), (10835, 151745), (13795, 119185), (17533, 93775), (18755, 87665), (23837, 68975), (24475, 67177), (30349, 54175), (30535, 53845)]