163922780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{5113}}^1$

素因数の和:5358

約数の個数: 48

約数和(自身を含む): 395209920

約数和(自身を除く): 231287140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 916, 1145, 1603, 2290, 3206, 4580, 5113, 6412, 8015, 10226, 16030, 20452, 25565, 32060, 35791, 51130, 71582, 102260, 143164, 178955, 357910, 715820, 1170877, 2341754, 4683508, 5854385, 8196139, 11708770, 16392278, 23417540, 32784556, 40980695, 81961390, 163922780]

約数ペア:

[(1, 163922780), (2, 81961390), (4, 40980695), (5, 32784556), (7, 23417540), (10, 16392278), (14, 11708770), (20, 8196139), (28, 5854385), (35, 4683508), (70, 2341754), (140, 1170877), (229, 715820), (458, 357910), (916, 178955), (1145, 143164), (1603, 102260), (2290, 71582), (3206, 51130), (4580, 35791), (5113, 32060), (6412, 25565), (8015, 20452), (10226, 16030)]