313177520

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{7691}}^1$

素因数の和:8213

約数の個数: 40

約数和(自身を含む): 729663120

約数和(自身を除く): 416485600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 1018, 2036, 2545, 4072, 5090, 7691, 8144, 10180, 15382, 20360, 30764, 38455, 40720, 61528, 76910, 123056, 153820, 307640, 615280, 3914719, 7829438, 15658876, 19573595, 31317752, 39147190, 62635504, 78294380, 156588760, 313177520]

約数ペア:

[(1, 313177520), (2, 156588760), (4, 78294380), (5, 62635504), (8, 39147190), (10, 31317752), (16, 19573595), (20, 15658876), (40, 7829438), (80, 3914719), (509, 615280), (1018, 307640), (2036, 153820), (2545, 123056), (4072, 76910), (5090, 61528), (7691, 40720), (8144, 38455), (10180, 30764), (15382, 20360)]