20400150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 50871744

約数和(自身を除く): 30471594

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 307, 443, 614, 886, 921, 1329, 1535, 1842, 2215, 2658, 3070, 4430, 4605, 6645, 7675, 9210, 11075, 13290, 15350, 22150, 23025, 33225, 46050, 66450, 136001, 272002, 408003, 680005, 816006, 1360010, 2040015, 3400025, 4080030, 6800050, 10200075, 20400150]

約数ペア:

[(1, 20400150), (2, 10200075), (3, 6800050), (5, 4080030), (6, 3400025), (10, 2040015), (15, 1360010), (25, 816006), (30, 680005), (50, 408003), (75, 272002), (150, 136001), (307, 66450), (443, 46050), (614, 33225), (886, 23025), (921, 22150), (1329, 15350), (1535, 13290), (1842, 11075), (2215, 9210), (2658, 7675), (3070, 6645), (4430, 4605)]