61404350

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:450

約数の個数: 72

約数和(自身を含む): 135111888

約数和(自身を除く): 73707538

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 71, 98, 142, 175, 245, 350, 353, 355, 490, 497, 706, 710, 994, 1225, 1765, 1775, 2450, 2471, 2485, 3479, 3530, 3550, 4942, 4970, 6958, 8825, 12355, 12425, 17297, 17395, 17650, 24710, 24850, 25063, 34594, 34790, 50126, 61775, 86485, 86975, 123550, 125315, 172970, 173950, 175441, 250630, 350882, 432425, 626575, 864850, 877205, 1228087, 1253150, 1754410, 2456174, 4386025, 6140435, 8772050, 12280870, 30702175, 61404350]

約数ペア:

[(1, 61404350), (2, 30702175), (5, 12280870), (7, 8772050), (10, 6140435), (14, 4386025), (25, 2456174), (35, 1754410), (49, 1253150), (50, 1228087), (70, 877205), (71, 864850), (98, 626575), (142, 432425), (175, 350882), (245, 250630), (350, 175441), (353, 173950), (355, 172970), (490, 125315), (497, 123550), (706, 86975), (710, 86485), (994, 61775), (1225, 50126), (1765, 34790), (1775, 34594), (2450, 25063), (2471, 24850), (2485, 24710), (3479, 17650), (3530, 17395), (3550, 17297), (4942, 12425), (4970, 12355), (6958, 8825)]