389509380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{166457}}^1$

素因数の和:166485

約数の個数: 72

約数和(自身を含む): 1272404952

約数和(自身を除く): 882895572

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, 166457, 332914, 499371, 665828, 832285, 998742, 1498113, 1664570, 1997484, 2163941, 2496855, 2996226, 3329140, 4327882, 4993710, 5992452, 6491823, 7490565, 8655764, 9987420, 10819705, 12983646, 14981130, 19475469, 21639410, 25967292, 29962260, 32459115, 38950938, 43278820, 64918230, 77901876, 97377345, 129836460, 194754690, 389509380]

約数ペア:

[(1, 389509380), (2, 194754690), (3, 129836460), (4, 97377345), (5, 77901876), (6, 64918230), (9, 43278820), (10, 38950938), (12, 32459115), (13, 29962260), (15, 25967292), (18, 21639410), (20, 19475469), (26, 14981130), (30, 12983646), (36, 10819705), (39, 9987420), (45, 8655764), (52, 7490565), (60, 6491823), (65, 5992452), (78, 4993710), (90, 4327882), (117, 3329140), (130, 2996226), (156, 2496855), (180, 2163941), (195, 1997484), (234, 1664570), (260, 1498113), (390, 998742), (468, 832285), (585, 665828), (780, 499371), (1170, 332914), (2340, 166457)]