77731820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{167}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 178700256

約数和(自身を除く): 100968436

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 167, 170, 185, 334, 340, 370, 629, 668, 740, 835, 1258, 1369, 1670, 2516, 2738, 2839, 3145, 3340, 5476, 5678, 6179, 6290, 6845, 11356, 12358, 12580, 13690, 14195, 23273, 24716, 27380, 28390, 30895, 46546, 56780, 61790, 93092, 105043, 116365, 123580, 210086, 228623, 232730, 420172, 457246, 465460, 525215, 914492, 1050430, 1143115, 2100860, 2286230, 3886591, 4572460, 7773182, 15546364, 19432955, 38865910, 77731820]

約数ペア:

[(1, 77731820), (2, 38865910), (4, 19432955), (5, 15546364), (10, 7773182), (17, 4572460), (20, 3886591), (34, 2286230), (37, 2100860), (68, 1143115), (74, 1050430), (85, 914492), (148, 525215), (167, 465460), (170, 457246), (185, 420172), (334, 232730), (340, 228623), (370, 210086), (629, 123580), (668, 116365), (740, 105043), (835, 93092), (1258, 61790), (1369, 56780), (1670, 46546), (2516, 30895), (2738, 28390), (2839, 27380), (3145, 24716), (3340, 23273), (5476, 14195), (5678, 13690), (6179, 12580), (6290, 12358), (6845, 11356)]