790400

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:56

約数の個数: 96

約数和(自身を含む): 2213400

約数和(自身を除く): 1423000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 64, 65, 76, 80, 95, 100, 104, 128, 130, 152, 160, 190, 200, 208, 247, 260, 304, 320, 325, 380, 400, 416, 475, 494, 520, 608, 640, 650, 760, 800, 832, 950, 988, 1040, 1216, 1235, 1300, 1520, 1600, 1664, 1900, 1976, 2080, 2432, 2470, 2600, 3040, 3200, 3800, 3952, 4160, 4940, 5200, 6080, 6175, 7600, 7904, 8320, 9880, 10400, 12160, 12350, 15200, 15808, 19760, 20800, 24700, 30400, 31616, 39520, 41600, 49400, 60800, 79040, 98800, 158080, 197600, 395200, 790400]

約数ペア:

[(1, 790400), (2, 395200), (4, 197600), (5, 158080), (8, 98800), (10, 79040), (13, 60800), (16, 49400), (19, 41600), (20, 39520), (25, 31616), (26, 30400), (32, 24700), (38, 20800), (40, 19760), (50, 15808), (52, 15200), (64, 12350), (65, 12160), (76, 10400), (80, 9880), (95, 8320), (100, 7904), (104, 7600), (128, 6175), (130, 6080), (152, 5200), (160, 4940), (190, 4160), (200, 3952), (208, 3800), (247, 3200), (260, 3040), (304, 2600), (320, 2470), (325, 2432), (380, 2080), (400, 1976), (416, 1900), (475, 1664), (494, 1600), (520, 1520), (608, 1300), (640, 1235), (650, 1216), (760, 1040), (800, 988), (832, 950)]