29771720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1046

約数の個数: 64

約数和(自身を含む): 74183040

約数和(自身を除く): 44411320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 953, 1420, 1562, 1906, 2840, 3124, 3812, 3905, 4765, 6248, 7624, 7810, 9530, 10483, 15620, 19060, 20966, 31240, 38120, 41932, 52415, 67663, 83864, 104830, 135326, 209660, 270652, 338315, 419320, 541304, 676630, 744293, 1353260, 1488586, 2706520, 2977172, 3721465, 5954344, 7442930, 14885860, 29771720]

約数ペア:

[(1, 29771720), (2, 14885860), (4, 7442930), (5, 5954344), (8, 3721465), (10, 2977172), (11, 2706520), (20, 1488586), (22, 1353260), (40, 744293), (44, 676630), (55, 541304), (71, 419320), (88, 338315), (110, 270652), (142, 209660), (220, 135326), (284, 104830), (355, 83864), (440, 67663), (568, 52415), (710, 41932), (781, 38120), (953, 31240), (1420, 20966), (1562, 19060), (1906, 15620), (2840, 10483), (3124, 9530), (3812, 7810), (3905, 7624), (4765, 6248)]