1820621700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{997}}^1\times {\mathrm{2029}}^1$

素因数の和:3046

約数の個数: 108

約数和(自身を含む): 5715176740

約数和(自身を除く): 3894555040

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 997, 1994, 2029, 2991, 3988, 4058, 4985, 5982, 6087, 8116, 8973, 9970, 10145, 11964, 12174, 14955, 17946, 18261, 19940, 20290, 24348, 24925, 29910, 30435, 35892, 36522, 40580, 44865, 49850, 50725, 59820, 60870, 73044, 74775, 89730, 91305, 99700, 101450, 121740, 149550, 152175, 179460, 182610, 202900, 224325, 299100, 304350, 365220, 448650, 456525, 608700, 897300, 913050, 1826100, 2022913, 4045826, 6068739, 8091652, 10114565, 12137478, 18206217, 20229130, 24274956, 30343695, 36412434, 40458260, 50572825, 60687390, 72824868, 91031085, 101145650, 121374780, 151718475, 182062170, 202291300, 303436950, 364124340, 455155425, 606873900, 910310850, 1820621700]

約数ペア:

[(1, 1820621700), (2, 910310850), (3, 606873900), (4, 455155425), (5, 364124340), (6, 303436950), (9, 202291300), (10, 182062170), (12, 151718475), (15, 121374780), (18, 101145650), (20, 91031085), (25, 72824868), (30, 60687390), (36, 50572825), (45, 40458260), (50, 36412434), (60, 30343695), (75, 24274956), (90, 20229130), (100, 18206217), (150, 12137478), (180, 10114565), (225, 8091652), (300, 6068739), (450, 4045826), (900, 2022913), (997, 1826100), (1994, 913050), (2029, 897300), (2991, 608700), (3988, 456525), (4058, 448650), (4985, 365220), (5982, 304350), (6087, 299100), (8116, 224325), (8973, 202900), (9970, 182610), (10145, 179460), (11964, 152175), (12174, 149550), (14955, 121740), (17946, 101450), (18261, 99700), (19940, 91305), (20290, 89730), (24348, 74775), (24925, 73044), (29910, 60870), (30435, 59820), (35892, 50725), (36522, 49850), (40580, 44865)]