245898520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{38183}}^1$

素因数の和:38224

約数の個数: 64

約数和(自身を含む): 659819520

約数和(自身を除く): 413921000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 38183, 76366, 152732, 190915, 267281, 305464, 381830, 534562, 763660, 878209, 1069124, 1336405, 1527320, 1756418, 2138248, 2672810, 3512836, 4391045, 5345620, 6147463, 7025672, 8782090, 10691240, 12294926, 17564180, 24589852, 30737315, 35128360, 49179704, 61474630, 122949260, 245898520]

約数ペア:

[(1, 245898520), (2, 122949260), (4, 61474630), (5, 49179704), (7, 35128360), (8, 30737315), (10, 24589852), (14, 17564180), (20, 12294926), (23, 10691240), (28, 8782090), (35, 7025672), (40, 6147463), (46, 5345620), (56, 4391045), (70, 3512836), (92, 2672810), (115, 2138248), (140, 1756418), (161, 1527320), (184, 1336405), (230, 1069124), (280, 878209), (322, 763660), (460, 534562), (644, 381830), (805, 305464), (920, 267281), (1288, 190915), (1610, 152732), (3220, 76366), (6440, 38183)]