78121820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{593}}^1\times {\mathrm{941}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 188008128

約数和(自身を除く): 109886308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 593, 941, 1186, 1882, 2372, 2965, 3764, 4151, 4705, 5930, 6587, 8302, 9410, 11860, 13174, 16604, 18820, 20755, 26348, 32935, 41510, 65870, 83020, 131740, 558013, 1116026, 2232052, 2790065, 3906091, 5580130, 7812182, 11160260, 15624364, 19530455, 39060910, 78121820]

約数ペア:

[(1, 78121820), (2, 39060910), (4, 19530455), (5, 15624364), (7, 11160260), (10, 7812182), (14, 5580130), (20, 3906091), (28, 2790065), (35, 2232052), (70, 1116026), (140, 558013), (593, 131740), (941, 83020), (1186, 65870), (1882, 41510), (2372, 32935), (2965, 26348), (3764, 20755), (4151, 18820), (4705, 16604), (5930, 13174), (6587, 11860), (8302, 9410)]