1999490940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:781

約数の個数: 192

約数和(自身を含む): 6395840640

約数和(自身を除く): 4396349700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 90, 101, 108, 122, 135, 180, 183, 202, 244, 270, 303, 305, 366, 404, 505, 540, 549, 601, 606, 610, 732, 909, 915, 1010, 1098, 1202, 1212, 1220, 1515, 1647, 1803, 1818, 1830, 2020, 2196, 2404, 2727, 2745, 3005, 3030, 3294, 3606, 3636, 3660, 4545, 5409, 5454, 5490, 6010, 6060, 6161, 6588, 7212, 8235, 9015, 9090, 10818, 10908, 10980, 12020, 12322, 13635, 16227, 16470, 18030, 18180, 18483, 21636, 24644, 27045, 27270, 30805, 32454, 32940, 36060, 36661, 36966, 54090, 54540, 55449, 60701, 61610, 64908, 73322, 73932, 81135, 92415, 108180, 109983, 110898, 121402, 123220, 146644, 162270, 166347, 182103, 183305, 184830, 219966, 221796, 242804, 277245, 303505, 324540, 329949, 332694, 364206, 366610, 369660, 439932, 546309, 549915, 554490, 607010, 659898, 665388, 728412, 733220, 831735, 910515, 989847, 1092618, 1099830, 1108980, 1214020, 1319796, 1638927, 1649745, 1663470, 1821030, 1979694, 2185236, 2199660, 2731545, 3277854, 3299490, 3326940, 3642060, 3702761, 3959388, 4949235, 5463090, 6555708, 6598980, 7405522, 8194635, 9898470, 10926180, 11108283, 14811044, 16389270, 18513805, 19796940, 22216566, 32778540, 33324849, 37027610, 44433132, 55541415, 66649698, 74055220, 99974547, 111082830, 133299396, 166624245, 199949094, 222165660, 333248490, 399898188, 499872735, 666496980, 999745470, 1999490940]

約数ペア:

[(1, 1999490940), (2, 999745470), (3, 666496980), (4, 499872735), (5, 399898188), (6, 333248490), (9, 222165660), (10, 199949094), (12, 166624245), (15, 133299396), (18, 111082830), (20, 99974547), (27, 74055220), (30, 66649698), (36, 55541415), (45, 44433132), (54, 37027610), (60, 33324849), (61, 32778540), (90, 22216566), (101, 19796940), (108, 18513805), (122, 16389270), (135, 14811044), (180, 11108283), (183, 10926180), (202, 9898470), (244, 8194635), (270, 7405522), (303, 6598980), (305, 6555708), (366, 5463090), (404, 4949235), (505, 3959388), (540, 3702761), (549, 3642060), (601, 3326940), (606, 3299490), (610, 3277854), (732, 2731545), (909, 2199660), (915, 2185236), (1010, 1979694), (1098, 1821030), (1202, 1663470), (1212, 1649745), (1220, 1638927), (1515, 1319796), (1647, 1214020), (1803, 1108980), (1818, 1099830), (1830, 1092618), (2020, 989847), (2196, 910515), (2404, 831735), (2727, 733220), (2745, 728412), (3005, 665388), (3030, 659898), (3294, 607010), (3606, 554490), (3636, 549915), (3660, 546309), (4545, 439932), (5409, 369660), (5454, 366610), (5490, 364206), (6010, 332694), (6060, 329949), (6161, 324540), (6588, 303505), (7212, 277245), (8235, 242804), (9015, 221796), (9090, 219966), (10818, 184830), (10908, 183305), (10980, 182103), (12020, 166347), (12322, 162270), (13635, 146644), (16227, 123220), (16470, 121402), (18030, 110898), (18180, 109983), (18483, 108180), (21636, 92415), (24644, 81135), (27045, 73932), (27270, 73322), (30805, 64908), (32454, 61610), (32940, 60701), (36060, 55449), (36661, 54540), (36966, 54090)]