388566400

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3972

約数の個数: 96

約数和(自身を含む): 991097280

約数和(自身を除く): 602530880

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, 310, 320, 400, 496, 620, 640, 775, 800, 992, 1240, 1550, 1600, 1984, 2480, 3100, 3200, 3917, 3968, 4960, 6200, 7834, 9920, 12400, 15668, 19585, 19840, 24800, 31336, 39170, 49600, 62672, 78340, 97925, 99200, 121427, 125344, 156680, 195850, 242854, 250688, 313360, 391700, 485708, 501376, 607135, 626720, 783400, 971416, 1214270, 1253440, 1566800, 1942832, 2428540, 2506880, 3035675, 3133600, 3885664, 4857080, 6071350, 6267200, 7771328, 9714160, 12142700, 12534400, 15542656, 19428320, 24285400, 38856640, 48570800, 77713280, 97141600, 194283200, 388566400]

約数ペア:

[(1, 388566400), (2, 194283200), (4, 97141600), (5, 77713280), (8, 48570800), (10, 38856640), (16, 24285400), (20, 19428320), (25, 15542656), (31, 12534400), (32, 12142700), (40, 9714160), (50, 7771328), (62, 6267200), (64, 6071350), (80, 4857080), (100, 3885664), (124, 3133600), (128, 3035675), (155, 2506880), (160, 2428540), (200, 1942832), (248, 1566800), (310, 1253440), (320, 1214270), (400, 971416), (496, 783400), (620, 626720), (640, 607135), (775, 501376), (800, 485708), (992, 391700), (1240, 313360), (1550, 250688), (1600, 242854), (1984, 195850), (2480, 156680), (3100, 125344), (3200, 121427), (3917, 99200), (3968, 97925), (4960, 78340), (6200, 62672), (7834, 49600), (9920, 39170), (12400, 31336), (15668, 24800), (19585, 19840)]