40647460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 109166400

約数和(自身を除く): 68518940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 37, 38, 49, 59, 70, 74, 76, 95, 98, 118, 133, 140, 148, 185, 190, 196, 236, 245, 259, 266, 295, 370, 380, 413, 490, 518, 532, 590, 665, 703, 740, 826, 931, 980, 1036, 1121, 1180, 1295, 1330, 1406, 1652, 1813, 1862, 2065, 2183, 2242, 2590, 2660, 2812, 2891, 3515, 3626, 3724, 4130, 4366, 4484, 4655, 4921, 5180, 5605, 5782, 7030, 7252, 7847, 8260, 8732, 9065, 9310, 9842, 10915, 11210, 11564, 14060, 14455, 15281, 15694, 18130, 18620, 19684, 21830, 22420, 24605, 28910, 30562, 31388, 34447, 36260, 39235, 41477, 43660, 49210, 54929, 57820, 61124, 68894, 76405, 78470, 82954, 98420, 106967, 109858, 137788, 152810, 156940, 165908, 172235, 207385, 213934, 219716, 274645, 290339, 305620, 344470, 414770, 427868, 534835, 549290, 580678, 688940, 829540, 1069670, 1098580, 1161356, 1451695, 2032373, 2139340, 2903390, 4064746, 5806780, 8129492, 10161865, 20323730, 40647460]

約数ペア:

[(1, 40647460), (2, 20323730), (4, 10161865), (5, 8129492), (7, 5806780), (10, 4064746), (14, 2903390), (19, 2139340), (20, 2032373), (28, 1451695), (35, 1161356), (37, 1098580), (38, 1069670), (49, 829540), (59, 688940), (70, 580678), (74, 549290), (76, 534835), (95, 427868), (98, 414770), (118, 344470), (133, 305620), (140, 290339), (148, 274645), (185, 219716), (190, 213934), (196, 207385), (236, 172235), (245, 165908), (259, 156940), (266, 152810), (295, 137788), (370, 109858), (380, 106967), (413, 98420), (490, 82954), (518, 78470), (532, 76405), (590, 68894), (665, 61124), (703, 57820), (740, 54929), (826, 49210), (931, 43660), (980, 41477), (1036, 39235), (1121, 36260), (1180, 34447), (1295, 31388), (1330, 30562), (1406, 28910), (1652, 24605), (1813, 22420), (1862, 21830), (2065, 19684), (2183, 18620), (2242, 18130), (2590, 15694), (2660, 15281), (2812, 14455), (2891, 14060), (3515, 11564), (3626, 11210), (3724, 10915), (4130, 9842), (4366, 9310), (4484, 9065), (4655, 8732), (4921, 8260), (5180, 7847), (5605, 7252), (5782, 7030)]