1520679988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{3539}}^1$

素因数の和:3720

約数の個数: 48

約数和(自身を含む): 2890339200

約数和(自身を除く): 1369659212

約数列:

[1, 2, 4, 17, 34, 68, 71, 89, 142, 178, 284, 356, 1207, 1513, 2414, 3026, 3539, 4828, 6052, 6319, 7078, 12638, 14156, 25276, 60163, 107423, 120326, 214846, 240652, 251269, 314971, 429692, 502538, 629942, 1005076, 1259884, 4271573, 5354507, 8543146, 10709014, 17086292, 21418028, 22362941, 44725882, 89451764, 380169997, 760339994, 1520679988]

約数ペア:

[(1, 1520679988), (2, 760339994), (4, 380169997), (17, 89451764), (34, 44725882), (68, 22362941), (71, 21418028), (89, 17086292), (142, 10709014), (178, 8543146), (284, 5354507), (356, 4271573), (1207, 1259884), (1513, 1005076), (2414, 629942), (3026, 502538), (3539, 429692), (4828, 314971), (6052, 251269), (6319, 240652), (7078, 214846), (12638, 120326), (14156, 107423), (25276, 60163)]