8231020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 20741616

約数和(自身を除く): 12510596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 227, 245, 259, 370, 454, 490, 518, 740, 908, 980, 1036, 1135, 1295, 1589, 1813, 2270, 2590, 3178, 3626, 4540, 5180, 6356, 7252, 7945, 8399, 9065, 11123, 15890, 16798, 18130, 22246, 31780, 33596, 36260, 41995, 44492, 55615, 58793, 83990, 111230, 117586, 167980, 222460, 235172, 293965, 411551, 587930, 823102, 1175860, 1646204, 2057755, 4115510, 8231020]

約数ペア:

[(1, 8231020), (2, 4115510), (4, 2057755), (5, 1646204), (7, 1175860), (10, 823102), (14, 587930), (20, 411551), (28, 293965), (35, 235172), (37, 222460), (49, 167980), (70, 117586), (74, 111230), (98, 83990), (140, 58793), (148, 55615), (185, 44492), (196, 41995), (227, 36260), (245, 33596), (259, 31780), (370, 22246), (454, 18130), (490, 16798), (518, 15890), (740, 11123), (908, 9065), (980, 8399), (1036, 7945), (1135, 7252), (1295, 6356), (1589, 5180), (1813, 4540), (2270, 3626), (2590, 3178)]