489760990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2423}}^1$

素因数の和:2517

約数の個数: 64

約数和(自身を含む): 989573760

約数和(自身を除く): 499812770

約数列:

[1, 2, 5, 10, 17, 29, 34, 41, 58, 82, 85, 145, 170, 205, 290, 410, 493, 697, 986, 1189, 1394, 2378, 2423, 2465, 3485, 4846, 4930, 5945, 6970, 11890, 12115, 20213, 24230, 40426, 41191, 70267, 82382, 99343, 101065, 140534, 198686, 202130, 205955, 351335, 411910, 496715, 702670, 993430, 1194539, 1688831, 2389078, 2880947, 3377662, 5761894, 5972695, 8444155, 11945390, 14404735, 16888310, 28809470, 48976099, 97952198, 244880495, 489760990]

約数ペア:

[(1, 489760990), (2, 244880495), (5, 97952198), (10, 48976099), (17, 28809470), (29, 16888310), (34, 14404735), (41, 11945390), (58, 8444155), (82, 5972695), (85, 5761894), (145, 3377662), (170, 2880947), (205, 2389078), (290, 1688831), (410, 1194539), (493, 993430), (697, 702670), (986, 496715), (1189, 411910), (1394, 351335), (2378, 205955), (2423, 202130), (2465, 198686), (3485, 140534), (4846, 101065), (4930, 99343), (5945, 82382), (6970, 70267), (11890, 41191), (12115, 40426), (20213, 24230)]