1340440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 3317760

約数和(自身を除く): 1977320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 47, 62, 92, 94, 115, 124, 155, 184, 188, 230, 235, 248, 310, 376, 460, 470, 620, 713, 920, 940, 1081, 1240, 1426, 1457, 1880, 2162, 2852, 2914, 3565, 4324, 5405, 5704, 5828, 7130, 7285, 8648, 10810, 11656, 14260, 14570, 21620, 28520, 29140, 33511, 43240, 58280, 67022, 134044, 167555, 268088, 335110, 670220, 1340440]

約数ペア:

[(1, 1340440), (2, 670220), (4, 335110), (5, 268088), (8, 167555), (10, 134044), (20, 67022), (23, 58280), (31, 43240), (40, 33511), (46, 29140), (47, 28520), (62, 21620), (92, 14570), (94, 14260), (115, 11656), (124, 10810), (155, 8648), (184, 7285), (188, 7130), (230, 5828), (235, 5704), (248, 5405), (310, 4324), (376, 3565), (460, 2914), (470, 2852), (620, 2162), (713, 1880), (920, 1457), (940, 1426), (1081, 1240)]