398212640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18713}}^1$

素因数の和:18754

約数の個数: 96

約数和(自身を含む): 1131822720

約数和(自身を除く): 733610080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 1064, 1120, 1330, 1520, 2128, 2660, 3040, 4256, 5320, 10640, 18713, 21280, 37426, 74852, 93565, 130991, 149704, 187130, 261982, 299408, 355547, 374260, 523964, 598816, 654955, 711094, 748520, 1047928, 1309910, 1422188, 1497040, 1777735, 2095856, 2488829, 2619820, 2844376, 2994080, 3555470, 4191712, 4977658, 5239640, 5688752, 7110940, 9955316, 10479280, 11377504, 12444145, 14221880, 19910632, 20958560, 24888290, 28443760, 39821264, 49776580, 56887520, 79642528, 99553160, 199106320, 398212640]

約数ペア:

[(1, 398212640), (2, 199106320), (4, 99553160), (5, 79642528), (7, 56887520), (8, 49776580), (10, 39821264), (14, 28443760), (16, 24888290), (19, 20958560), (20, 19910632), (28, 14221880), (32, 12444145), (35, 11377504), (38, 10479280), (40, 9955316), (56, 7110940), (70, 5688752), (76, 5239640), (80, 4977658), (95, 4191712), (112, 3555470), (133, 2994080), (140, 2844376), (152, 2619820), (160, 2488829), (190, 2095856), (224, 1777735), (266, 1497040), (280, 1422188), (304, 1309910), (380, 1047928), (532, 748520), (560, 711094), (608, 654955), (665, 598816), (760, 523964), (1064, 374260), (1120, 355547), (1330, 299408), (1520, 261982), (2128, 187130), (2660, 149704), (3040, 130991), (4256, 93565), (5320, 74852), (10640, 37426), (18713, 21280)]