313624874620

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{977}}^1\times {\mathrm{35747}}^1$

素因数の和:37182

約数の個数: 48

約数和(自身を含む): 660773181600

約数和(自身を除く): 347148306980

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 977, 1796, 1954, 2245, 3908, 4490, 4885, 8980, 9770, 19540, 35747, 71494, 142988, 178735, 357470, 438673, 714940, 877346, 1754692, 2193365, 4386730, 8773460, 16050403, 32100806, 34924819, 64201612, 69849638, 80252015, 139699276, 160504030, 174624095, 321008060, 349248190, 698496380, 15681243731, 31362487462, 62724974924, 78406218655, 156812437310, 313624874620]

約数ペア:

[(1, 313624874620), (2, 156812437310), (4, 78406218655), (5, 62724974924), (10, 31362487462), (20, 15681243731), (449, 698496380), (898, 349248190), (977, 321008060), (1796, 174624095), (1954, 160504030), (2245, 139699276), (3908, 80252015), (4490, 69849638), (4885, 64201612), (8980, 34924819), (9770, 32100806), (19540, 16050403), (35747, 8773460), (71494, 4386730), (142988, 2193365), (178735, 1754692), (357470, 877346), (438673, 714940)]