206732800

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:580

約数の個数: 120

約数和(自身を含む): 529733952

約数和(自身を除く): 323001152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 512, 521, 620, 640, 775, 800, 992, 1042, 1240, 1280, 1550, 1600, 1984, 2084, 2480, 2560, 2605, 3100, 3200, 3968, 4168, 4960, 5210, 6200, 6400, 7936, 8336, 9920, 10420, 12400, 12800, 13025, 15872, 16151, 16672, 19840, 20840, 24800, 26050, 32302, 33344, 39680, 41680, 49600, 52100, 64604, 66688, 79360, 80755, 83360, 99200, 104200, 129208, 133376, 161510, 166720, 198400, 208400, 258416, 266752, 323020, 333440, 396800, 403775, 416800, 516832, 646040, 666880, 807550, 833600, 1033664, 1292080, 1333760, 1615100, 1667200, 2067328, 2584160, 3230200, 3334400, 4134656, 5168320, 6460400, 6668800, 8269312, 10336640, 12920800, 20673280, 25841600, 41346560, 51683200, 103366400, 206732800]

約数ペア:

[(1, 206732800), (2, 103366400), (4, 51683200), (5, 41346560), (8, 25841600), (10, 20673280), (16, 12920800), (20, 10336640), (25, 8269312), (31, 6668800), (32, 6460400), (40, 5168320), (50, 4134656), (62, 3334400), (64, 3230200), (80, 2584160), (100, 2067328), (124, 1667200), (128, 1615100), (155, 1333760), (160, 1292080), (200, 1033664), (248, 833600), (256, 807550), (310, 666880), (320, 646040), (400, 516832), (496, 416800), (512, 403775), (521, 396800), (620, 333440), (640, 323020), (775, 266752), (800, 258416), (992, 208400), (1042, 198400), (1240, 166720), (1280, 161510), (1550, 133376), (1600, 129208), (1984, 104200), (2084, 99200), (2480, 83360), (2560, 80755), (2605, 79360), (3100, 66688), (3200, 64604), (3968, 52100), (4168, 49600), (4960, 41680), (5210, 39680), (6200, 33344), (6400, 32302), (7936, 26050), (8336, 24800), (9920, 20840), (10420, 19840), (12400, 16672), (12800, 16151), (13025, 15872)]