274407040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13831}}^1$

素因数の和:13881

約数の個数: 64

約数和(自身を含む): 677214720

約数和(自身を除く): 402807680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 13831, 19840, 27662, 55324, 69155, 110648, 138310, 221296, 276620, 428761, 442592, 553240, 857522, 885184, 1106480, 1715044, 1770368, 2143805, 2212960, 3430088, 4287610, 4425920, 6860176, 8575220, 8851840, 13720352, 17150440, 27440704, 34300880, 54881408, 68601760, 137203520, 274407040]

約数ペア:

[(1, 274407040), (2, 137203520), (4, 68601760), (5, 54881408), (8, 34300880), (10, 27440704), (16, 17150440), (20, 13720352), (31, 8851840), (32, 8575220), (40, 6860176), (62, 4425920), (64, 4287610), (80, 3430088), (124, 2212960), (128, 2143805), (155, 1770368), (160, 1715044), (248, 1106480), (310, 885184), (320, 857522), (496, 553240), (620, 442592), (640, 428761), (992, 276620), (1240, 221296), (1984, 138310), (2480, 110648), (3968, 69155), (4960, 55324), (9920, 27662), (13831, 19840)]