409459280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{301073}}^1$

素因数の和:301103

約数の個数: 40

約数和(自身を含む): 1007995752

約数和(自身を除く): 598536472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 301073, 602146, 1204292, 1505365, 2408584, 3010730, 4817168, 5118241, 6021460, 10236482, 12042920, 20472964, 24085840, 25591205, 40945928, 51182410, 81891856, 102364820, 204729640, 409459280]

約数ペア:

[(1, 409459280), (2, 204729640), (4, 102364820), (5, 81891856), (8, 51182410), (10, 40945928), (16, 25591205), (17, 24085840), (20, 20472964), (34, 12042920), (40, 10236482), (68, 6021460), (80, 5118241), (85, 4817168), (136, 3010730), (170, 2408584), (272, 1505365), (340, 1204292), (680, 602146), (1360, 301073)]