77398280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2647}}^1$

素因数の和:2718

約数の個数: 64

約数和(自身を含む): 188749440

約数和(自身を除く): 111351160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2647, 2924, 3655, 5294, 5848, 7310, 10588, 13235, 14620, 21176, 26470, 29240, 44999, 52940, 89998, 105880, 113821, 179996, 224995, 227642, 359992, 449990, 455284, 569105, 899980, 910568, 1138210, 1799960, 1934957, 2276420, 3869914, 4552840, 7739828, 9674785, 15479656, 19349570, 38699140, 77398280]

約数ペア:

[(1, 77398280), (2, 38699140), (4, 19349570), (5, 15479656), (8, 9674785), (10, 7739828), (17, 4552840), (20, 3869914), (34, 2276420), (40, 1934957), (43, 1799960), (68, 1138210), (85, 910568), (86, 899980), (136, 569105), (170, 455284), (172, 449990), (215, 359992), (340, 227642), (344, 224995), (430, 179996), (680, 113821), (731, 105880), (860, 89998), (1462, 52940), (1720, 44999), (2647, 29240), (2924, 26470), (3655, 21176), (5294, 14620), (5848, 13235), (7310, 10588)]