77392180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 165876480

約数和(自身を除く): 88484300

約数列:

[1, 2, 4, 5, 10, 20, 109, 131, 218, 262, 271, 436, 524, 542, 545, 655, 1084, 1090, 1310, 1355, 2180, 2620, 2710, 5420, 14279, 28558, 29539, 35501, 57116, 59078, 71002, 71395, 118156, 142004, 142790, 147695, 177505, 285580, 295390, 355010, 590780, 710020, 3869609, 7739218, 15478436, 19348045, 38696090, 77392180]

約数ペア:

[(1, 77392180), (2, 38696090), (4, 19348045), (5, 15478436), (10, 7739218), (20, 3869609), (109, 710020), (131, 590780), (218, 355010), (262, 295390), (271, 285580), (436, 177505), (524, 147695), (542, 142790), (545, 142004), (655, 118156), (1084, 71395), (1090, 71002), (1310, 59078), (1355, 57116), (2180, 35501), (2620, 29539), (2710, 28558), (5420, 14279)]