28211940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{156733}}^1$

素因数の和:156748

約数の個数: 36

約数和(自身を含む): 85576764

約数和(自身を除く): 57364824

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 156733, 313466, 470199, 626932, 783665, 940398, 1410597, 1567330, 1880796, 2350995, 2821194, 3134660, 4701990, 5642388, 7052985, 9403980, 14105970, 28211940]

約数ペア:

[(1, 28211940), (2, 14105970), (3, 9403980), (4, 7052985), (5, 5642388), (6, 4701990), (9, 3134660), (10, 2821194), (12, 2350995), (15, 1880796), (18, 1567330), (20, 1410597), (30, 940398), (36, 783665), (45, 626932), (60, 470199), (90, 313466), (180, 156733)]