190019900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{769}}^1$

素因数の和:1143

約数の個数: 72

約数和(自身を含む): 473198880

約数和(自身を除く): 283178980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 353, 700, 706, 769, 1412, 1538, 1765, 2471, 3076, 3530, 3845, 4942, 5383, 7060, 7690, 8825, 9884, 10766, 12355, 15380, 17650, 19225, 21532, 24710, 26915, 35300, 38450, 49420, 53830, 61775, 76900, 107660, 123550, 134575, 247100, 269150, 271457, 538300, 542914, 1085828, 1357285, 1900199, 2714570, 3800398, 5429140, 6786425, 7600796, 9500995, 13572850, 19001990, 27145700, 38003980, 47504975, 95009950, 190019900]

約数ペア:

[(1, 190019900), (2, 95009950), (4, 47504975), (5, 38003980), (7, 27145700), (10, 19001990), (14, 13572850), (20, 9500995), (25, 7600796), (28, 6786425), (35, 5429140), (50, 3800398), (70, 2714570), (100, 1900199), (140, 1357285), (175, 1085828), (350, 542914), (353, 538300), (700, 271457), (706, 269150), (769, 247100), (1412, 134575), (1538, 123550), (1765, 107660), (2471, 76900), (3076, 61775), (3530, 53830), (3845, 49420), (4942, 38450), (5383, 35300), (7060, 26915), (7690, 24710), (8825, 21532), (9884, 19225), (10766, 17650), (12355, 15380)]