918377860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{6871}}^1$

素因数の和:7084

約数の個数: 48

約数和(自身を含む): 1988042112

約数和(自身を除く): 1069664252

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 163, 164, 205, 326, 410, 652, 815, 820, 1630, 3260, 6683, 6871, 13366, 13742, 26732, 27484, 33415, 34355, 66830, 68710, 133660, 137420, 281711, 563422, 1119973, 1126844, 1408555, 2239946, 2817110, 4479892, 5599865, 5634220, 11199730, 22399460, 45918893, 91837786, 183675572, 229594465, 459188930, 918377860]

約数ペア:

[(1, 918377860), (2, 459188930), (4, 229594465), (5, 183675572), (10, 91837786), (20, 45918893), (41, 22399460), (82, 11199730), (163, 5634220), (164, 5599865), (205, 4479892), (326, 2817110), (410, 2239946), (652, 1408555), (815, 1126844), (820, 1119973), (1630, 563422), (3260, 281711), (6683, 137420), (6871, 133660), (13366, 68710), (13742, 66830), (26732, 34355), (27484, 33415)]