1981950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 5010096

約数和(自身を除く): 3028146

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 73, 75, 146, 150, 181, 219, 362, 365, 438, 543, 730, 905, 1086, 1095, 1810, 1825, 2190, 2715, 3650, 4525, 5430, 5475, 9050, 10950, 13213, 13575, 26426, 27150, 39639, 66065, 79278, 132130, 198195, 330325, 396390, 660650, 990975, 1981950]

約数ペア:

[(1, 1981950), (2, 990975), (3, 660650), (5, 396390), (6, 330325), (10, 198195), (15, 132130), (25, 79278), (30, 66065), (50, 39639), (73, 27150), (75, 26426), (146, 13575), (150, 13213), (181, 10950), (219, 9050), (362, 5475), (365, 5430), (438, 4525), (543, 3650), (730, 2715), (905, 2190), (1086, 1825), (1095, 1810)]