156988450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 309042720

約数和(自身を除く): 152054270

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 257, 475, 514, 643, 950, 1285, 1286, 2570, 3215, 4883, 6425, 6430, 9766, 12217, 12850, 16075, 24415, 24434, 32150, 48830, 61085, 122075, 122170, 165251, 244150, 305425, 330502, 610850, 826255, 1652510, 3139769, 4131275, 6279538, 8262550, 15698845, 31397690, 78494225, 156988450]

約数ペア:

[(1, 156988450), (2, 78494225), (5, 31397690), (10, 15698845), (19, 8262550), (25, 6279538), (38, 4131275), (50, 3139769), (95, 1652510), (190, 826255), (257, 610850), (475, 330502), (514, 305425), (643, 244150), (950, 165251), (1285, 122170), (1286, 122075), (2570, 61085), (3215, 48830), (4883, 32150), (6425, 24434), (6430, 24415), (9766, 16075), (12217, 12850)]