391685490

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{207241}}^1$

素因数の和:207264

約数の個数: 64

約数和(自身を含む): 1193713920

約数和(自身を除く): 802028430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 207241, 414482, 621723, 1036205, 1243446, 1450687, 1865169, 2072410, 2901374, 3108615, 3730338, 4352061, 5595507, 6217230, 7253435, 8704122, 9325845, 11191014, 13056183, 14506870, 18651690, 21760305, 26112366, 27977535, 39168549, 43520610, 55955070, 65280915, 78337098, 130561830, 195842745, 391685490]

約数ペア:

[(1, 391685490), (2, 195842745), (3, 130561830), (5, 78337098), (6, 65280915), (7, 55955070), (9, 43520610), (10, 39168549), (14, 27977535), (15, 26112366), (18, 21760305), (21, 18651690), (27, 14506870), (30, 13056183), (35, 11191014), (42, 9325845), (45, 8704122), (54, 7253435), (63, 6217230), (70, 5595507), (90, 4352061), (105, 3730338), (126, 3108615), (135, 2901374), (189, 2072410), (210, 1865169), (270, 1450687), (315, 1243446), (378, 1036205), (630, 621723), (945, 414482), (1890, 207241)]