15680350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 33854976

約数和(自身を除く): 18174626

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 142, 175, 350, 355, 497, 631, 710, 994, 1262, 1775, 2485, 3155, 3550, 4417, 4970, 6310, 8834, 12425, 15775, 22085, 24850, 31550, 44170, 44801, 89602, 110425, 220850, 224005, 313607, 448010, 627214, 1120025, 1568035, 2240050, 3136070, 7840175, 15680350]

約数ペア:

[(1, 15680350), (2, 7840175), (5, 3136070), (7, 2240050), (10, 1568035), (14, 1120025), (25, 627214), (35, 448010), (50, 313607), (70, 224005), (71, 220850), (142, 110425), (175, 89602), (350, 44801), (355, 44170), (497, 31550), (631, 24850), (710, 22085), (994, 15775), (1262, 12425), (1775, 8834), (2485, 6310), (3155, 4970), (3550, 4417)]