2988260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1$

素因数の和:101

約数の個数: 72

約数和(自身を含む): 7426944

約数和(自身を除く): 4438684

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 47, 55, 68, 85, 94, 110, 170, 187, 188, 220, 235, 289, 340, 374, 470, 517, 578, 748, 799, 935, 940, 1034, 1156, 1445, 1598, 1870, 2068, 2585, 2890, 3179, 3196, 3740, 3995, 5170, 5780, 6358, 7990, 8789, 10340, 12716, 13583, 15895, 15980, 17578, 27166, 31790, 35156, 43945, 54332, 63580, 67915, 87890, 135830, 149413, 175780, 271660, 298826, 597652, 747065, 1494130, 2988260]

約数ペア:

[(1, 2988260), (2, 1494130), (4, 747065), (5, 597652), (10, 298826), (11, 271660), (17, 175780), (20, 149413), (22, 135830), (34, 87890), (44, 67915), (47, 63580), (55, 54332), (68, 43945), (85, 35156), (94, 31790), (110, 27166), (170, 17578), (187, 15980), (188, 15895), (220, 13583), (235, 12716), (289, 10340), (340, 8789), (374, 7990), (470, 6358), (517, 5780), (578, 5170), (748, 3995), (799, 3740), (935, 3196), (940, 3179), (1034, 2890), (1156, 2585), (1445, 2068), (1598, 1870)]