387522320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{156259}}^1$

素因数の和:156303

約数の個数: 40

約数和(自身を含む): 930059520

約数和(自身を除く): 542537200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 156259, 312518, 625036, 781295, 1250072, 1562590, 2500144, 3125180, 4844029, 6250360, 9688058, 12500720, 19376116, 24220145, 38752232, 48440290, 77504464, 96880580, 193761160, 387522320]

約数ペア:

[(1, 387522320), (2, 193761160), (4, 96880580), (5, 77504464), (8, 48440290), (10, 38752232), (16, 24220145), (20, 19376116), (31, 12500720), (40, 9688058), (62, 6250360), (80, 4844029), (124, 3125180), (155, 2500144), (248, 1562590), (310, 1250072), (496, 781295), (620, 625036), (1240, 312518), (2480, 156259)]