308979420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{302921}}^1$

素因数の和:302950

約数の個数: 48

約数和(自身を含む): 916036128

約数和(自身を除く): 607056708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 302921, 605842, 908763, 1211684, 1514605, 1817526, 3029210, 3635052, 4543815, 5149657, 6058420, 9087630, 10299314, 15448971, 18175260, 20598628, 25748285, 30897942, 51496570, 61795884, 77244855, 102993140, 154489710, 308979420]

約数ペア:

[(1, 308979420), (2, 154489710), (3, 102993140), (4, 77244855), (5, 61795884), (6, 51496570), (10, 30897942), (12, 25748285), (15, 20598628), (17, 18175260), (20, 15448971), (30, 10299314), (34, 9087630), (51, 6058420), (60, 5149657), (68, 4543815), (85, 3635052), (102, 3029210), (170, 1817526), (204, 1514605), (255, 1211684), (340, 908763), (510, 605842), (1020, 302921)]