79950100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1451}}^1$

素因数の和:1513

約数の個数: 72

約数和(自身を含む): 189050400

約数和(自身を除く): 109100300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 145, 190, 290, 380, 475, 551, 580, 725, 950, 1102, 1450, 1451, 1900, 2204, 2755, 2900, 2902, 5510, 5804, 7255, 11020, 13775, 14510, 27550, 27569, 29020, 36275, 42079, 55100, 55138, 72550, 84158, 110276, 137845, 145100, 168316, 210395, 275690, 420790, 551380, 689225, 799501, 841580, 1051975, 1378450, 1599002, 2103950, 2756900, 3198004, 3997505, 4207900, 7995010, 15990020, 19987525, 39975050, 79950100]

約数ペア:

[(1, 79950100), (2, 39975050), (4, 19987525), (5, 15990020), (10, 7995010), (19, 4207900), (20, 3997505), (25, 3198004), (29, 2756900), (38, 2103950), (50, 1599002), (58, 1378450), (76, 1051975), (95, 841580), (100, 799501), (116, 689225), (145, 551380), (190, 420790), (290, 275690), (380, 210395), (475, 168316), (551, 145100), (580, 137845), (725, 110276), (950, 84158), (1102, 72550), (1450, 55138), (1451, 55100), (1900, 42079), (2204, 36275), (2755, 29020), (2900, 27569), (2902, 27550), (5510, 14510), (5804, 13775), (7255, 11020)]