1297566340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{28001}}^1$

素因数の和:28348

約数の個数: 48

約数和(自身を含む): 3123679104

約数和(自身を除く): 1826112764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 331, 662, 1324, 1655, 2317, 3310, 4634, 6620, 9268, 11585, 23170, 28001, 46340, 56002, 112004, 140005, 196007, 280010, 392014, 560020, 784028, 980035, 1960070, 3920140, 9268331, 18536662, 37073324, 46341655, 64878317, 92683310, 129756634, 185366620, 259513268, 324391585, 648783170, 1297566340]

約数ペア:

[(1, 1297566340), (2, 648783170), (4, 324391585), (5, 259513268), (7, 185366620), (10, 129756634), (14, 92683310), (20, 64878317), (28, 46341655), (35, 37073324), (70, 18536662), (140, 9268331), (331, 3920140), (662, 1960070), (1324, 980035), (1655, 784028), (2317, 560020), (3310, 392014), (4634, 280010), (6620, 196007), (9268, 140005), (11585, 112004), (23170, 56002), (28001, 46340)]