64599220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2939}}^1$

素因数の和:3112

約数の個数: 48

約数和(自身を含む): 156078720

約数和(自身を除く): 91479500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 2939, 3140, 4396, 5495, 5878, 10990, 11756, 14695, 20573, 21980, 29390, 41146, 58780, 82292, 102865, 205730, 411460, 461423, 922846, 1845692, 2307115, 3229961, 4614230, 6459922, 9228460, 12919844, 16149805, 32299610, 64599220]

約数ペア:

[(1, 64599220), (2, 32299610), (4, 16149805), (5, 12919844), (7, 9228460), (10, 6459922), (14, 4614230), (20, 3229961), (28, 2307115), (35, 1845692), (70, 922846), (140, 461423), (157, 411460), (314, 205730), (628, 102865), (785, 82292), (1099, 58780), (1570, 41146), (2198, 29390), (2939, 21980), (3140, 20573), (4396, 14695), (5495, 11756), (5878, 10990)]