280047924

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:350

約数の個数: 144

約数和(自身を含む): 799052800

約数和(自身を除く): 519004876

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 97, 117, 124, 156, 186, 194, 199, 234, 279, 291, 372, 388, 398, 403, 468, 558, 582, 597, 796, 806, 873, 1116, 1164, 1194, 1209, 1261, 1612, 1746, 1791, 2388, 2418, 2522, 2587, 3007, 3492, 3582, 3627, 3783, 4836, 5044, 5174, 6014, 6169, 7164, 7254, 7566, 7761, 9021, 10348, 11349, 12028, 12338, 14508, 15132, 15522, 18042, 18507, 19303, 22698, 23283, 24676, 27063, 31044, 36084, 37014, 38606, 39091, 45396, 46566, 54126, 55521, 57909, 74028, 77212, 78182, 80197, 93132, 108252, 111042, 115818, 117273, 156364, 160394, 173727, 222084, 231636, 234546, 240591, 250939, 320788, 347454, 351819, 469092, 481182, 501878, 598393, 694908, 703638, 721773, 752817, 962364, 1003756, 1196786, 1407276, 1443546, 1505634, 1795179, 2258451, 2393572, 2887092, 3011268, 3590358, 4516902, 5385537, 7180716, 7779109, 9033804, 10771074, 15558218, 21542148, 23337327, 31116436, 46674654, 70011981, 93349308, 140023962, 280047924]

約数ペア:

[(1, 280047924), (2, 140023962), (3, 93349308), (4, 70011981), (6, 46674654), (9, 31116436), (12, 23337327), (13, 21542148), (18, 15558218), (26, 10771074), (31, 9033804), (36, 7779109), (39, 7180716), (52, 5385537), (62, 4516902), (78, 3590358), (93, 3011268), (97, 2887092), (117, 2393572), (124, 2258451), (156, 1795179), (186, 1505634), (194, 1443546), (199, 1407276), (234, 1196786), (279, 1003756), (291, 962364), (372, 752817), (388, 721773), (398, 703638), (403, 694908), (468, 598393), (558, 501878), (582, 481182), (597, 469092), (796, 351819), (806, 347454), (873, 320788), (1116, 250939), (1164, 240591), (1194, 234546), (1209, 231636), (1261, 222084), (1612, 173727), (1746, 160394), (1791, 156364), (2388, 117273), (2418, 115818), (2522, 111042), (2587, 108252), (3007, 93132), (3492, 80197), (3582, 78182), (3627, 77212), (3783, 74028), (4836, 57909), (5044, 55521), (5174, 54126), (6014, 46566), (6169, 45396), (7164, 39091), (7254, 38606), (7566, 37014), (7761, 36084), (9021, 31044), (10348, 27063), (11349, 24676), (12028, 23283), (12338, 22698), (14508, 19303), (15132, 18507), (15522, 18042)]