151785940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1\times {\mathrm{317}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 324550800

約数和(自身を除く): 172764860

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 269, 317, 356, 445, 538, 634, 890, 1076, 1268, 1345, 1585, 1780, 2690, 3170, 5380, 6340, 23941, 28213, 47882, 56426, 85273, 95764, 112852, 119705, 141065, 170546, 239410, 282130, 341092, 426365, 478820, 564260, 852730, 1705460, 7589297, 15178594, 30357188, 37946485, 75892970, 151785940]

約数ペア:

[(1, 151785940), (2, 75892970), (4, 37946485), (5, 30357188), (10, 15178594), (20, 7589297), (89, 1705460), (178, 852730), (269, 564260), (317, 478820), (356, 426365), (445, 341092), (538, 282130), (634, 239410), (890, 170546), (1076, 141065), (1268, 119705), (1345, 112852), (1585, 95764), (1780, 85273), (2690, 56426), (3170, 47882), (5380, 28213), (6340, 23941)]