488484680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1619}}^1$

素因数の和:2046

約数の個数: 64

約数和(自身を含む): 1160568000

約数和(自身を除く): 672083320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 397, 760, 794, 1588, 1619, 1985, 3176, 3238, 3970, 6476, 7543, 7940, 8095, 12952, 15086, 15880, 16190, 30172, 30761, 32380, 37715, 60344, 61522, 64760, 75430, 123044, 150860, 153805, 246088, 301720, 307610, 615220, 642743, 1230440, 1285486, 2570972, 3213715, 5141944, 6427430, 12212117, 12854860, 24424234, 25709720, 48848468, 61060585, 97696936, 122121170, 244242340, 488484680]

約数ペア:

[(1, 488484680), (2, 244242340), (4, 122121170), (5, 97696936), (8, 61060585), (10, 48848468), (19, 25709720), (20, 24424234), (38, 12854860), (40, 12212117), (76, 6427430), (95, 5141944), (152, 3213715), (190, 2570972), (380, 1285486), (397, 1230440), (760, 642743), (794, 615220), (1588, 307610), (1619, 301720), (1985, 246088), (3176, 153805), (3238, 150860), (3970, 123044), (6476, 75430), (7543, 64760), (7940, 61522), (8095, 60344), (12952, 37715), (15086, 32380), (15880, 30761), (16190, 30172)]