339929980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{617}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 778991472

約数和(自身を除く): 439061492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 169, 260, 326, 338, 617, 652, 676, 815, 845, 1234, 1630, 1690, 2119, 2468, 3085, 3260, 3380, 4238, 6170, 8021, 8476, 10595, 12340, 16042, 21190, 27547, 32084, 40105, 42380, 55094, 80210, 100571, 104273, 110188, 137735, 160420, 201142, 208546, 275470, 402284, 417092, 502855, 521365, 550940, 1005710, 1042730, 1307423, 2011420, 2085460, 2614846, 5229692, 6537115, 13074230, 16996499, 26148460, 33992998, 67985996, 84982495, 169964990, 339929980]

約数ペア:

[(1, 339929980), (2, 169964990), (4, 84982495), (5, 67985996), (10, 33992998), (13, 26148460), (20, 16996499), (26, 13074230), (52, 6537115), (65, 5229692), (130, 2614846), (163, 2085460), (169, 2011420), (260, 1307423), (326, 1042730), (338, 1005710), (617, 550940), (652, 521365), (676, 502855), (815, 417092), (845, 402284), (1234, 275470), (1630, 208546), (1690, 201142), (2119, 160420), (2468, 137735), (3085, 110188), (3260, 104273), (3380, 100571), (4238, 80210), (6170, 55094), (8021, 42380), (8476, 40105), (10595, 32084), (12340, 27547), (16042, 21190)]