209802420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:283

約数の個数: 192

約数和(自身を含む): 686407680

約数和(自身を除く): 476605260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 83, 90, 93, 108, 124, 135, 151, 155, 166, 180, 186, 249, 270, 279, 302, 310, 332, 372, 415, 453, 465, 498, 540, 558, 604, 620, 747, 755, 830, 837, 906, 930, 996, 1116, 1245, 1359, 1395, 1494, 1510, 1660, 1674, 1812, 1860, 2241, 2265, 2490, 2573, 2718, 2790, 2988, 3020, 3348, 3735, 4077, 4185, 4482, 4530, 4681, 4980, 5146, 5436, 5580, 6795, 7470, 7719, 8154, 8370, 8964, 9060, 9362, 10292, 11205, 12533, 12865, 13590, 14043, 14940, 15438, 16308, 16740, 18724, 20385, 22410, 23157, 23405, 25066, 25730, 27180, 28086, 30876, 37599, 38595, 40770, 42129, 44820, 46314, 46810, 50132, 51460, 56172, 62665, 69471, 70215, 75198, 77190, 81540, 84258, 92628, 93620, 112797, 115785, 125330, 126387, 138942, 140430, 150396, 154380, 168516, 187995, 210645, 225594, 231570, 250660, 252774, 277884, 280860, 338391, 347355, 375990, 388523, 421290, 451188, 463140, 505548, 563985, 631935, 676782, 694710, 751980, 777046, 842580, 1127970, 1165569, 1263870, 1353564, 1389420, 1554092, 1691955, 1942615, 2255940, 2331138, 2527740, 3383910, 3496707, 3885230, 4662276, 5827845, 6767820, 6993414, 7770460, 10490121, 11655690, 13986828, 17483535, 20980242, 23311380, 34967070, 41960484, 52450605, 69934140, 104901210, 209802420]

約数ペア:

[(1, 209802420), (2, 104901210), (3, 69934140), (4, 52450605), (5, 41960484), (6, 34967070), (9, 23311380), (10, 20980242), (12, 17483535), (15, 13986828), (18, 11655690), (20, 10490121), (27, 7770460), (30, 6993414), (31, 6767820), (36, 5827845), (45, 4662276), (54, 3885230), (60, 3496707), (62, 3383910), (83, 2527740), (90, 2331138), (93, 2255940), (108, 1942615), (124, 1691955), (135, 1554092), (151, 1389420), (155, 1353564), (166, 1263870), (180, 1165569), (186, 1127970), (249, 842580), (270, 777046), (279, 751980), (302, 694710), (310, 676782), (332, 631935), (372, 563985), (415, 505548), (453, 463140), (465, 451188), (498, 421290), (540, 388523), (558, 375990), (604, 347355), (620, 338391), (747, 280860), (755, 277884), (830, 252774), (837, 250660), (906, 231570), (930, 225594), (996, 210645), (1116, 187995), (1245, 168516), (1359, 154380), (1395, 150396), (1494, 140430), (1510, 138942), (1660, 126387), (1674, 125330), (1812, 115785), (1860, 112797), (2241, 93620), (2265, 92628), (2490, 84258), (2573, 81540), (2718, 77190), (2790, 75198), (2988, 70215), (3020, 69471), (3348, 62665), (3735, 56172), (4077, 51460), (4185, 50132), (4482, 46810), (4530, 46314), (4681, 44820), (4980, 42129), (5146, 40770), (5436, 38595), (5580, 37599), (6795, 30876), (7470, 28086), (7719, 27180), (8154, 25730), (8370, 25066), (8964, 23405), (9060, 23157), (9362, 22410), (10292, 20385), (11205, 18724), (12533, 16740), (12865, 16308), (13590, 15438), (14043, 14940)]