290319780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{54367}}^1$

素因数の和:54468

約数の個数: 48

約数和(自身を含む): 822044160

約数和(自身を除く): 531724380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 54367, 108734, 163101, 217468, 271835, 326202, 543670, 652404, 815505, 1087340, 1631010, 3262020, 4838663, 9677326, 14515989, 19354652, 24193315, 29031978, 48386630, 58063956, 72579945, 96773260, 145159890, 290319780]

約数ペア:

[(1, 290319780), (2, 145159890), (3, 96773260), (4, 72579945), (5, 58063956), (6, 48386630), (10, 29031978), (12, 24193315), (15, 19354652), (20, 14515989), (30, 9677326), (60, 4838663), (89, 3262020), (178, 1631010), (267, 1087340), (356, 815505), (445, 652404), (534, 543670), (890, 326202), (1068, 271835), (1335, 217468), (1780, 163101), (2670, 108734), (5340, 54367)]