978186320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{531623}}^1$

素因数の和:531659

約数の個数: 40

約数和(自身を含む): 2373169536

約数和(自身を除く): 1394983216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 531623, 1063246, 2126492, 2658115, 4252984, 5316230, 8505968, 10632460, 12227329, 21264920, 24454658, 42529840, 48909316, 61136645, 97818632, 122273290, 195637264, 244546580, 489093160, 978186320]

約数ペア:

[(1, 978186320), (2, 489093160), (4, 244546580), (5, 195637264), (8, 122273290), (10, 97818632), (16, 61136645), (20, 48909316), (23, 42529840), (40, 24454658), (46, 21264920), (80, 12227329), (92, 10632460), (115, 8505968), (184, 5316230), (230, 4252984), (368, 2658115), (460, 2126492), (920, 1063246), (1840, 531623)]