381394240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{38447}}^1$

素因数の和:38495

約数の個数: 56

約数和(自身を含む): 937516032

約数和(自身を除く): 556121792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 38447, 76894, 153788, 192235, 307576, 384470, 615152, 768940, 1191857, 1230304, 1537880, 2383714, 2460608, 3075760, 4767428, 5959285, 6151520, 9534856, 11918570, 12303040, 19069712, 23837140, 38139424, 47674280, 76278848, 95348560, 190697120, 381394240]

約数ペア:

[(1, 381394240), (2, 190697120), (4, 95348560), (5, 76278848), (8, 47674280), (10, 38139424), (16, 23837140), (20, 19069712), (31, 12303040), (32, 11918570), (40, 9534856), (62, 6151520), (64, 5959285), (80, 4767428), (124, 3075760), (155, 2460608), (160, 2383714), (248, 1537880), (310, 1230304), (320, 1191857), (496, 768940), (620, 615152), (992, 384470), (1240, 307576), (1984, 192235), (2480, 153788), (4960, 76894), (9920, 38447)]