888978620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{42863}}^1$

素因数の和:42950

約数の個数: 48

約数和(自身を含む): 2009121408

約数和(自身を除く): 1120142788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 4148, 5185, 10370, 20740, 42863, 85726, 171452, 214315, 428630, 728671, 857260, 1457342, 2614643, 2914684, 3643355, 5229286, 7286710, 10458572, 13073215, 14573420, 26146430, 44448931, 52292860, 88897862, 177795724, 222244655, 444489310, 888978620]

約数ペア:

[(1, 888978620), (2, 444489310), (4, 222244655), (5, 177795724), (10, 88897862), (17, 52292860), (20, 44448931), (34, 26146430), (61, 14573420), (68, 13073215), (85, 10458572), (122, 7286710), (170, 5229286), (244, 3643355), (305, 2914684), (340, 2614643), (610, 1457342), (1037, 857260), (1220, 728671), (2074, 428630), (4148, 214315), (5185, 171452), (10370, 85726), (20740, 42863)]