141997100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{28979}}^1$

素因数の和:29007

約数の個数: 54

約数和(自身を含む): 358453620

約数和(自身を除く): 216456520

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 28979, 57958, 115916, 144895, 202853, 289790, 405706, 579580, 724475, 811412, 1014265, 1419971, 1448950, 2028530, 2839942, 2897900, 4057060, 5071325, 5679884, 7099855, 10142650, 14199710, 20285300, 28399420, 35499275, 70998550, 141997100]

約数ペア:

[(1, 141997100), (2, 70998550), (4, 35499275), (5, 28399420), (7, 20285300), (10, 14199710), (14, 10142650), (20, 7099855), (25, 5679884), (28, 5071325), (35, 4057060), (49, 2897900), (50, 2839942), (70, 2028530), (98, 1448950), (100, 1419971), (140, 1014265), (175, 811412), (196, 724475), (245, 579580), (350, 405706), (490, 289790), (700, 202853), (980, 144895), (1225, 115916), (2450, 57958), (4900, 28979)]