139221420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{178489}}^1$

素因数の和:178514

約数の個数: 48

約数和(自身を含む): 419808480

約数和(自身を除く): 280587060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 178489, 356978, 535467, 713956, 892445, 1070934, 1784890, 2141868, 2320357, 2677335, 3569780, 4640714, 5354670, 6961071, 9281428, 10709340, 11601785, 13922142, 23203570, 27844284, 34805355, 46407140, 69610710, 139221420]

約数ペア:

[(1, 139221420), (2, 69610710), (3, 46407140), (4, 34805355), (5, 27844284), (6, 23203570), (10, 13922142), (12, 11601785), (13, 10709340), (15, 9281428), (20, 6961071), (26, 5354670), (30, 4640714), (39, 3569780), (52, 2677335), (60, 2320357), (65, 2141868), (78, 1784890), (130, 1070934), (156, 892445), (195, 713956), (260, 535467), (390, 356978), (780, 178489)]