161634620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37243}}^1$

素因数の和:37290

約数の個数: 48

約数和(自身を含む): 400447488

約数和(自身を除く): 238812868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 37243, 74486, 148972, 186215, 260701, 372430, 521402, 744860, 1042804, 1154533, 1303505, 2309066, 2607010, 4618132, 5214020, 5772665, 8081731, 11545330, 16163462, 23090660, 32326924, 40408655, 80817310, 161634620]

約数ペア:

[(1, 161634620), (2, 80817310), (4, 40408655), (5, 32326924), (7, 23090660), (10, 16163462), (14, 11545330), (20, 8081731), (28, 5772665), (31, 5214020), (35, 4618132), (62, 2607010), (70, 2309066), (124, 1303505), (140, 1154533), (155, 1042804), (217, 744860), (310, 521402), (434, 372430), (620, 260701), (868, 186215), (1085, 148972), (2170, 74486), (4340, 37243)]