144468260

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 308441280

約数和(自身を除く): 163973020

約数列:

[1, 2, 4, 5, 10, 20, 139, 157, 278, 314, 331, 556, 628, 662, 695, 785, 1324, 1390, 1570, 1655, 2780, 3140, 3310, 6620, 21823, 43646, 46009, 51967, 87292, 92018, 103934, 109115, 184036, 207868, 218230, 230045, 259835, 436460, 460090, 519670, 920180, 1039340, 7223413, 14446826, 28893652, 36117065, 72234130, 144468260]

約数ペア:

[(1, 144468260), (2, 72234130), (4, 36117065), (5, 28893652), (10, 14446826), (20, 7223413), (139, 1039340), (157, 920180), (278, 519670), (314, 460090), (331, 436460), (556, 259835), (628, 230045), (662, 218230), (695, 207868), (785, 184036), (1324, 109115), (1390, 103934), (1570, 92018), (1655, 87292), (2780, 51967), (3140, 46009), (3310, 43646), (6620, 21823)]