28344156943880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{72999271}}^1$

素因数の和:72999870

約数の個数: 64

約数和(自身を含む): 67644045406080

約数和(自身を除く): 39299888462200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 571, 680, 1142, 2284, 2855, 4568, 5710, 9707, 11420, 19414, 22840, 38828, 48535, 77656, 97070, 194140, 388280, 72999271, 145998542, 291997084, 364996355, 583994168, 729992710, 1240987607, 1459985420, 2481975214, 2919970840, 4963950428, 6204938035, 9927900856, 12409876070, 24819752140, 41682583741, 49639504280, 83365167482, 166730334964, 208412918705, 333460669928, 416825837410, 708603923597, 833651674820, 1417207847194, 1667303349640, 2834415694388, 3543019617985, 5668831388776, 7086039235970, 14172078471940, 28344156943880]

約数ペア:

[(1, 28344156943880), (2, 14172078471940), (4, 7086039235970), (5, 5668831388776), (8, 3543019617985), (10, 2834415694388), (17, 1667303349640), (20, 1417207847194), (34, 833651674820), (40, 708603923597), (68, 416825837410), (85, 333460669928), (136, 208412918705), (170, 166730334964), (340, 83365167482), (571, 49639504280), (680, 41682583741), (1142, 24819752140), (2284, 12409876070), (2855, 9927900856), (4568, 6204938035), (5710, 4963950428), (9707, 2919970840), (11420, 2481975214), (19414, 1459985420), (22840, 1240987607), (38828, 729992710), (48535, 583994168), (77656, 364996355), (97070, 291997084), (194140, 145998542), (388280, 72999271)]