157365460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1559}}^1$

素因数の和:1685

約数の個数: 72

約数和(自身を含む): 388402560

約数和(自身を除く): 231037100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 490, 515, 721, 980, 1030, 1442, 1559, 2060, 2884, 3118, 3605, 5047, 6236, 7210, 7795, 10094, 10913, 14420, 15590, 20188, 21826, 25235, 31180, 43652, 50470, 54565, 76391, 100940, 109130, 152782, 160577, 218260, 305564, 321154, 381955, 642308, 763910, 802885, 1124039, 1527820, 1605770, 2248078, 3211540, 4496156, 5620195, 7868273, 11240390, 15736546, 22480780, 31473092, 39341365, 78682730, 157365460]

約数ペア:

[(1, 157365460), (2, 78682730), (4, 39341365), (5, 31473092), (7, 22480780), (10, 15736546), (14, 11240390), (20, 7868273), (28, 5620195), (35, 4496156), (49, 3211540), (70, 2248078), (98, 1605770), (103, 1527820), (140, 1124039), (196, 802885), (206, 763910), (245, 642308), (412, 381955), (490, 321154), (515, 305564), (721, 218260), (980, 160577), (1030, 152782), (1442, 109130), (1559, 100940), (2060, 76391), (2884, 54565), (3118, 50470), (3605, 43652), (5047, 31180), (6236, 25235), (7210, 21826), (7795, 20188), (10094, 15590), (10913, 14420)]