400937940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{171341}}^1$

素因数の和:171369

約数の個数: 72

約数和(自身を含む): 1309738248

約数和(自身を除く): 908800308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 171341, 342682, 514023, 685364, 856705, 1028046, 1542069, 1713410, 2056092, 2227433, 2570115, 3084138, 3426820, 4454866, 5140230, 6168276, 6682299, 7710345, 8909732, 10280460, 11137165, 13364598, 15420690, 20046897, 22274330, 26729196, 30841380, 33411495, 40093794, 44548660, 66822990, 80187588, 100234485, 133645980, 200468970, 400937940]

約数ペア:

[(1, 400937940), (2, 200468970), (3, 133645980), (4, 100234485), (5, 80187588), (6, 66822990), (9, 44548660), (10, 40093794), (12, 33411495), (13, 30841380), (15, 26729196), (18, 22274330), (20, 20046897), (26, 15420690), (30, 13364598), (36, 11137165), (39, 10280460), (45, 8909732), (52, 7710345), (60, 6682299), (65, 6168276), (78, 5140230), (90, 4454866), (117, 3426820), (130, 3084138), (156, 2570115), (180, 2227433), (195, 2056092), (234, 1713410), (260, 1542069), (390, 1028046), (468, 856705), (585, 685364), (780, 514023), (1170, 342682), (2340, 171341)]