197563140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1042

約数の個数: 144

約数和(自身を含む): 641833920

約数和(自身を除く): 444270780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 61, 76, 90, 95, 114, 122, 171, 180, 183, 190, 228, 244, 285, 305, 342, 366, 380, 549, 570, 610, 684, 732, 855, 915, 947, 1098, 1140, 1159, 1220, 1710, 1830, 1894, 2196, 2318, 2745, 2841, 3420, 3477, 3660, 3788, 4636, 4735, 5490, 5682, 5795, 6954, 8523, 9470, 10431, 10980, 11364, 11590, 13908, 14205, 17046, 17385, 17993, 18940, 20862, 23180, 28410, 34092, 34770, 35986, 41724, 42615, 52155, 53979, 56820, 57767, 69540, 71972, 85230, 89965, 104310, 107958, 115534, 161937, 170460, 173301, 179930, 208620, 215916, 231068, 269895, 288835, 323874, 346602, 359860, 519903, 539790, 577670, 647748, 693204, 809685, 866505, 1039806, 1079580, 1097573, 1155340, 1619370, 1733010, 2079612, 2195146, 2599515, 3238740, 3292719, 3466020, 4390292, 5199030, 5487865, 6585438, 9878157, 10398060, 10975730, 13170876, 16463595, 19756314, 21951460, 32927190, 39512628, 49390785, 65854380, 98781570, 197563140]

約数ペア:

[(1, 197563140), (2, 98781570), (3, 65854380), (4, 49390785), (5, 39512628), (6, 32927190), (9, 21951460), (10, 19756314), (12, 16463595), (15, 13170876), (18, 10975730), (19, 10398060), (20, 9878157), (30, 6585438), (36, 5487865), (38, 5199030), (45, 4390292), (57, 3466020), (60, 3292719), (61, 3238740), (76, 2599515), (90, 2195146), (95, 2079612), (114, 1733010), (122, 1619370), (171, 1155340), (180, 1097573), (183, 1079580), (190, 1039806), (228, 866505), (244, 809685), (285, 693204), (305, 647748), (342, 577670), (366, 539790), (380, 519903), (549, 359860), (570, 346602), (610, 323874), (684, 288835), (732, 269895), (855, 231068), (915, 215916), (947, 208620), (1098, 179930), (1140, 173301), (1159, 170460), (1220, 161937), (1710, 115534), (1830, 107958), (1894, 104310), (2196, 89965), (2318, 85230), (2745, 71972), (2841, 69540), (3420, 57767), (3477, 56820), (3660, 53979), (3788, 52155), (4636, 42615), (4735, 41724), (5490, 35986), (5682, 34770), (5795, 34092), (6954, 28410), (8523, 23180), (9470, 20862), (10431, 18940), (10980, 17993), (11364, 17385), (11590, 17046), (13908, 14205)]