1428700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 3840032

約数和(自身を除く): 2411332

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 157, 175, 182, 260, 314, 325, 350, 364, 455, 628, 650, 700, 785, 910, 1099, 1300, 1570, 1820, 2041, 2198, 2275, 3140, 3925, 4082, 4396, 4550, 5495, 7850, 8164, 9100, 10205, 10990, 14287, 15700, 20410, 21980, 27475, 28574, 40820, 51025, 54950, 57148, 71435, 102050, 109900, 142870, 204100, 285740, 357175, 714350, 1428700]

約数ペア:

[(1, 1428700), (2, 714350), (4, 357175), (5, 285740), (7, 204100), (10, 142870), (13, 109900), (14, 102050), (20, 71435), (25, 57148), (26, 54950), (28, 51025), (35, 40820), (50, 28574), (52, 27475), (65, 21980), (70, 20410), (91, 15700), (100, 14287), (130, 10990), (140, 10205), (157, 9100), (175, 8164), (182, 7850), (260, 5495), (314, 4550), (325, 4396), (350, 4082), (364, 3925), (455, 3140), (628, 2275), (650, 2198), (700, 2041), (785, 1820), (910, 1570), (1099, 1300)]