320414620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{1669}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 698594400

約数和(自身を除く): 378179780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 331, 580, 662, 1324, 1655, 1669, 3310, 3338, 6620, 6676, 8345, 9599, 16690, 19198, 33380, 38396, 47995, 48401, 95990, 96802, 191980, 193604, 242005, 484010, 552439, 968020, 1104878, 2209756, 2762195, 5524390, 11048780, 16020731, 32041462, 64082924, 80103655, 160207310, 320414620]

約数ペア:

[(1, 320414620), (2, 160207310), (4, 80103655), (5, 64082924), (10, 32041462), (20, 16020731), (29, 11048780), (58, 5524390), (116, 2762195), (145, 2209756), (290, 1104878), (331, 968020), (580, 552439), (662, 484010), (1324, 242005), (1655, 193604), (1669, 191980), (3310, 96802), (3338, 95990), (6620, 48401), (6676, 47995), (8345, 38396), (9599, 33380), (16690, 19198)]