388543960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19009}}^1$

素因数の和:19100

約数の個数: 64

約数和(自身を含む): 1012852800

約数和(自身を除く): 624308840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 4088, 5110, 10220, 19009, 20440, 38018, 76036, 95045, 133063, 152072, 190090, 266126, 380180, 532252, 665315, 760360, 1064504, 1330630, 1387657, 2661260, 2775314, 5322520, 5550628, 6938285, 9713599, 11101256, 13876570, 19427198, 27753140, 38854396, 48567995, 55506280, 77708792, 97135990, 194271980, 388543960]

約数ペア:

[(1, 388543960), (2, 194271980), (4, 97135990), (5, 77708792), (7, 55506280), (8, 48567995), (10, 38854396), (14, 27753140), (20, 19427198), (28, 13876570), (35, 11101256), (40, 9713599), (56, 6938285), (70, 5550628), (73, 5322520), (140, 2775314), (146, 2661260), (280, 1387657), (292, 1330630), (365, 1064504), (511, 760360), (584, 665315), (730, 532252), (1022, 380180), (1460, 266126), (2044, 190090), (2555, 152072), (2920, 133063), (4088, 95045), (5110, 76036), (10220, 38018), (19009, 20440)]