637461500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{971}}^1$

素因数の和:1104

約数の個数: 96

約数和(自身を含む): 1515713472

約数和(自身を除く): 878251972

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 101, 125, 130, 202, 250, 260, 325, 404, 500, 505, 650, 971, 1010, 1300, 1313, 1625, 1942, 2020, 2525, 2626, 3250, 3884, 4855, 5050, 5252, 6500, 6565, 9710, 10100, 12623, 12625, 13130, 19420, 24275, 25246, 25250, 26260, 32825, 48550, 50492, 50500, 63115, 65650, 97100, 98071, 121375, 126230, 131300, 164125, 196142, 242750, 252460, 315575, 328250, 392284, 485500, 490355, 631150, 656500, 980710, 1262300, 1274923, 1577875, 1961420, 2451775, 2549846, 3155750, 4903550, 5099692, 6311500, 6374615, 9807100, 12258875, 12749230, 24517750, 25498460, 31873075, 49035500, 63746150, 127492300, 159365375, 318730750, 637461500]

約数ペア:

[(1, 637461500), (2, 318730750), (4, 159365375), (5, 127492300), (10, 63746150), (13, 49035500), (20, 31873075), (25, 25498460), (26, 24517750), (50, 12749230), (52, 12258875), (65, 9807100), (100, 6374615), (101, 6311500), (125, 5099692), (130, 4903550), (202, 3155750), (250, 2549846), (260, 2451775), (325, 1961420), (404, 1577875), (500, 1274923), (505, 1262300), (650, 980710), (971, 656500), (1010, 631150), (1300, 490355), (1313, 485500), (1625, 392284), (1942, 328250), (2020, 315575), (2525, 252460), (2626, 242750), (3250, 196142), (3884, 164125), (4855, 131300), (5050, 126230), (5252, 121375), (6500, 98071), (6565, 97100), (9710, 65650), (10100, 63115), (12623, 50500), (12625, 50492), (13130, 48550), (19420, 32825), (24275, 26260), (25246, 25250)]