748890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 1996488

約数和(自身を除く): 1247598

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 157, 159, 265, 314, 318, 471, 477, 530, 785, 795, 942, 954, 1413, 1570, 1590, 2355, 2385, 2826, 4710, 4770, 7065, 8321, 14130, 16642, 24963, 41605, 49926, 74889, 83210, 124815, 149778, 249630, 374445, 748890]

約数ペア:

[(1, 748890), (2, 374445), (3, 249630), (5, 149778), (6, 124815), (9, 83210), (10, 74889), (15, 49926), (18, 41605), (30, 24963), (45, 16642), (53, 14130), (90, 8321), (106, 7065), (157, 4770), (159, 4710), (265, 2826), (314, 2385), (318, 2355), (471, 1590), (477, 1570), (530, 1413), (785, 954), (795, 942)]