2131222940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:508

約数の個数: 192

約数和(自身を含む): 5798919168

約数和(自身を除く): 3667696228

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 113, 140, 148, 154, 185, 220, 226, 259, 308, 331, 370, 385, 407, 452, 518, 565, 662, 740, 770, 791, 814, 1036, 1130, 1243, 1295, 1324, 1540, 1582, 1628, 1655, 2035, 2260, 2317, 2486, 2590, 2849, 3164, 3310, 3641, 3955, 4070, 4181, 4634, 4972, 5180, 5698, 6215, 6620, 7282, 7910, 8140, 8362, 8701, 9268, 11396, 11585, 12247, 12430, 14245, 14564, 15820, 16724, 17402, 18205, 20905, 23170, 24494, 24860, 25487, 28490, 29267, 34804, 36410, 37403, 41810, 43505, 45991, 46340, 48988, 50974, 56980, 58534, 61235, 72820, 74806, 83620, 85729, 87010, 91982, 101948, 117068, 122470, 127435, 134717, 146335, 149612, 171458, 174020, 183964, 187015, 229955, 244940, 254870, 261821, 269434, 292670, 321937, 342916, 374030, 411433, 428645, 459910, 509740, 523642, 538868, 585340, 643874, 673585, 748060, 822866, 857290, 919820, 943019, 1047284, 1287748, 1309105, 1347170, 1383911, 1609685, 1645732, 1714580, 1886038, 2057165, 2618210, 2694340, 2767822, 2880031, 3219370, 3772076, 4114330, 4715095, 5236420, 5535644, 5760062, 6438740, 6919555, 8228660, 9430190, 9687377, 11520124, 13839110, 14400155, 15223021, 18860380, 19374754, 27678220, 28800310, 30446042, 38749508, 48436885, 57600620, 60892084, 76115105, 96873770, 106561147, 152230210, 193747540, 213122294, 304460420, 426244588, 532805735, 1065611470, 2131222940]

約数ペア:

[(1, 2131222940), (2, 1065611470), (4, 532805735), (5, 426244588), (7, 304460420), (10, 213122294), (11, 193747540), (14, 152230210), (20, 106561147), (22, 96873770), (28, 76115105), (35, 60892084), (37, 57600620), (44, 48436885), (55, 38749508), (70, 30446042), (74, 28800310), (77, 27678220), (110, 19374754), (113, 18860380), (140, 15223021), (148, 14400155), (154, 13839110), (185, 11520124), (220, 9687377), (226, 9430190), (259, 8228660), (308, 6919555), (331, 6438740), (370, 5760062), (385, 5535644), (407, 5236420), (452, 4715095), (518, 4114330), (565, 3772076), (662, 3219370), (740, 2880031), (770, 2767822), (791, 2694340), (814, 2618210), (1036, 2057165), (1130, 1886038), (1243, 1714580), (1295, 1645732), (1324, 1609685), (1540, 1383911), (1582, 1347170), (1628, 1309105), (1655, 1287748), (2035, 1047284), (2260, 943019), (2317, 919820), (2486, 857290), (2590, 822866), (2849, 748060), (3164, 673585), (3310, 643874), (3641, 585340), (3955, 538868), (4070, 523642), (4181, 509740), (4634, 459910), (4972, 428645), (5180, 411433), (5698, 374030), (6215, 342916), (6620, 321937), (7282, 292670), (7910, 269434), (8140, 261821), (8362, 254870), (8701, 244940), (9268, 229955), (11396, 187015), (11585, 183964), (12247, 174020), (12430, 171458), (14245, 149612), (14564, 146335), (15820, 134717), (16724, 127435), (17402, 122470), (18205, 117068), (20905, 101948), (23170, 91982), (24494, 87010), (24860, 85729), (25487, 83620), (28490, 74806), (29267, 72820), (34804, 61235), (36410, 58534), (37403, 56980), (41810, 50974), (43505, 48988), (45991, 46340)]