201491940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:710

約数の個数: 144

約数和(自身を含む): 631604736

約数和(自身を除く): 430112796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 260, 310, 338, 372, 390, 403, 465, 507, 620, 641, 676, 780, 806, 845, 930, 1014, 1209, 1282, 1612, 1690, 1860, 1923, 2015, 2028, 2418, 2535, 2564, 3205, 3380, 3846, 4030, 4836, 5070, 5239, 6045, 6410, 7692, 8060, 8333, 9615, 10140, 10478, 12090, 12820, 15717, 16666, 19230, 19871, 20956, 24180, 24999, 26195, 31434, 33332, 38460, 39742, 41665, 49998, 52390, 59613, 62868, 78585, 79484, 83330, 99355, 99996, 104780, 108329, 119226, 124995, 157170, 166660, 198710, 216658, 238452, 249990, 258323, 298065, 314340, 324987, 397420, 433316, 499980, 516646, 541645, 596130, 649974, 774969, 1033292, 1083290, 1192260, 1291615, 1299948, 1549938, 1624935, 2166580, 2583230, 3099876, 3249870, 3358199, 3874845, 5166460, 6499740, 6716398, 7749690, 10074597, 13432796, 15499380, 16790995, 20149194, 33581990, 40298388, 50372985, 67163980, 100745970, 201491940]

約数ペア:

[(1, 201491940), (2, 100745970), (3, 67163980), (4, 50372985), (5, 40298388), (6, 33581990), (10, 20149194), (12, 16790995), (13, 15499380), (15, 13432796), (20, 10074597), (26, 7749690), (30, 6716398), (31, 6499740), (39, 5166460), (52, 3874845), (60, 3358199), (62, 3249870), (65, 3099876), (78, 2583230), (93, 2166580), (124, 1624935), (130, 1549938), (155, 1299948), (156, 1291615), (169, 1192260), (186, 1083290), (195, 1033292), (260, 774969), (310, 649974), (338, 596130), (372, 541645), (390, 516646), (403, 499980), (465, 433316), (507, 397420), (620, 324987), (641, 314340), (676, 298065), (780, 258323), (806, 249990), (845, 238452), (930, 216658), (1014, 198710), (1209, 166660), (1282, 157170), (1612, 124995), (1690, 119226), (1860, 108329), (1923, 104780), (2015, 99996), (2028, 99355), (2418, 83330), (2535, 79484), (2564, 78585), (3205, 62868), (3380, 59613), (3846, 52390), (4030, 49998), (4836, 41665), (5070, 39742), (5239, 38460), (6045, 33332), (6410, 31434), (7692, 26195), (8060, 24999), (8333, 24180), (9615, 20956), (10140, 19871), (10478, 19230), (12090, 16666), (12820, 15717)]