249771340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:312

約数の個数: 192

約数和(自身を含む): 704471040

約数和(自身を除く): 454699700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 31, 35, 38, 52, 62, 65, 70, 76, 91, 95, 124, 130, 133, 140, 155, 182, 190, 217, 233, 247, 260, 266, 310, 364, 380, 403, 434, 455, 466, 494, 532, 589, 620, 665, 806, 868, 910, 932, 988, 1085, 1165, 1178, 1235, 1330, 1612, 1631, 1729, 1820, 2015, 2170, 2330, 2356, 2470, 2660, 2821, 2945, 3029, 3262, 3458, 4030, 4123, 4340, 4427, 4660, 4940, 5642, 5890, 6058, 6524, 6916, 7223, 7657, 8060, 8155, 8246, 8645, 8854, 11284, 11780, 12116, 14105, 14446, 15145, 15314, 16310, 16492, 17290, 17708, 20615, 21203, 22135, 28210, 28892, 30290, 30628, 30989, 32620, 34580, 36115, 38285, 41230, 42406, 44270, 50561, 53599, 56420, 57551, 60580, 61978, 72230, 76570, 82460, 84812, 88540, 93899, 101122, 106015, 107198, 115102, 123956, 137237, 144460, 153140, 154945, 187798, 202244, 212030, 214396, 230204, 252805, 267995, 274474, 287755, 309890, 375596, 402857, 424060, 469495, 505610, 535990, 548948, 575510, 619780, 657293, 686185, 805714, 938990, 960659, 1011220, 1071980, 1151020, 1314586, 1372370, 1611428, 1784081, 1877980, 1921318, 2014285, 2629172, 2744740, 3286465, 3568162, 3842636, 4028570, 4803295, 6572930, 7136324, 8057140, 8920405, 9606590, 12488567, 13145860, 17840810, 19213180, 24977134, 35681620, 49954268, 62442835, 124885670, 249771340]

約数ペア:

[(1, 249771340), (2, 124885670), (4, 62442835), (5, 49954268), (7, 35681620), (10, 24977134), (13, 19213180), (14, 17840810), (19, 13145860), (20, 12488567), (26, 9606590), (28, 8920405), (31, 8057140), (35, 7136324), (38, 6572930), (52, 4803295), (62, 4028570), (65, 3842636), (70, 3568162), (76, 3286465), (91, 2744740), (95, 2629172), (124, 2014285), (130, 1921318), (133, 1877980), (140, 1784081), (155, 1611428), (182, 1372370), (190, 1314586), (217, 1151020), (233, 1071980), (247, 1011220), (260, 960659), (266, 938990), (310, 805714), (364, 686185), (380, 657293), (403, 619780), (434, 575510), (455, 548948), (466, 535990), (494, 505610), (532, 469495), (589, 424060), (620, 402857), (665, 375596), (806, 309890), (868, 287755), (910, 274474), (932, 267995), (988, 252805), (1085, 230204), (1165, 214396), (1178, 212030), (1235, 202244), (1330, 187798), (1612, 154945), (1631, 153140), (1729, 144460), (1820, 137237), (2015, 123956), (2170, 115102), (2330, 107198), (2356, 106015), (2470, 101122), (2660, 93899), (2821, 88540), (2945, 84812), (3029, 82460), (3262, 76570), (3458, 72230), (4030, 61978), (4123, 60580), (4340, 57551), (4427, 56420), (4660, 53599), (4940, 50561), (5642, 44270), (5890, 42406), (6058, 41230), (6524, 38285), (6916, 36115), (7223, 34580), (7657, 32620), (8060, 30989), (8155, 30628), (8246, 30290), (8645, 28892), (8854, 28210), (11284, 22135), (11780, 21203), (12116, 20615), (14105, 17708), (14446, 17290), (15145, 16492), (15314, 16310)]