496103680

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20399}}^1$

素因数の和:20439

約数の個数: 72

約数和(自身を含む): 1250928000

約数和(自身を除く): 754824320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 12160, 20399, 24320, 40798, 81596, 101995, 163192, 203990, 326384, 387581, 407980, 652768, 775162, 815960, 1305536, 1550324, 1631920, 1937905, 2611072, 3100648, 3263840, 3875810, 5222144, 6201296, 6527680, 7751620, 12402592, 13055360, 15503240, 24805184, 26110720, 31006480, 49610368, 62012960, 99220736, 124025920, 248051840, 496103680]

約数ペア:

[(1, 496103680), (2, 248051840), (4, 124025920), (5, 99220736), (8, 62012960), (10, 49610368), (16, 31006480), (19, 26110720), (20, 24805184), (32, 15503240), (38, 13055360), (40, 12402592), (64, 7751620), (76, 6527680), (80, 6201296), (95, 5222144), (128, 3875810), (152, 3263840), (160, 3100648), (190, 2611072), (256, 1937905), (304, 1631920), (320, 1550324), (380, 1305536), (608, 815960), (640, 775162), (760, 652768), (1216, 407980), (1280, 387581), (1520, 326384), (2432, 203990), (3040, 163192), (4864, 101995), (6080, 81596), (12160, 40798), (20399, 24320)]