385978520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{3209}}^1$

素因数の和:3348

約数の個数: 64

約数和(自身を含む): 905990400

約数和(自身を除く): 520011880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 124, 155, 194, 248, 310, 388, 485, 620, 776, 970, 1240, 1940, 3007, 3209, 3880, 6014, 6418, 12028, 12836, 15035, 16045, 24056, 25672, 30070, 32090, 60140, 64180, 99479, 120280, 128360, 198958, 311273, 397916, 497395, 622546, 795832, 994790, 1245092, 1556365, 1989580, 2490184, 3112730, 3979160, 6225460, 9649463, 12450920, 19298926, 38597852, 48247315, 77195704, 96494630, 192989260, 385978520]

約数ペア:

[(1, 385978520), (2, 192989260), (4, 96494630), (5, 77195704), (8, 48247315), (10, 38597852), (20, 19298926), (31, 12450920), (40, 9649463), (62, 6225460), (97, 3979160), (124, 3112730), (155, 2490184), (194, 1989580), (248, 1556365), (310, 1245092), (388, 994790), (485, 795832), (620, 622546), (776, 497395), (970, 397916), (1240, 311273), (1940, 198958), (3007, 128360), (3209, 120280), (3880, 99479), (6014, 64180), (6418, 60140), (12028, 32090), (12836, 30070), (15035, 25672), (16045, 24056)]