28901800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 71959680

約数和(自身を除く): 43057880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 61, 92, 100, 103, 115, 122, 184, 200, 206, 230, 244, 305, 412, 460, 488, 515, 575, 610, 824, 920, 1030, 1150, 1220, 1403, 1525, 2060, 2300, 2369, 2440, 2575, 2806, 3050, 4120, 4600, 4738, 5150, 5612, 6100, 6283, 7015, 9476, 10300, 11224, 11845, 12200, 12566, 14030, 18952, 20600, 23690, 25132, 28060, 31415, 35075, 47380, 50264, 56120, 59225, 62830, 70150, 94760, 118450, 125660, 140300, 144509, 157075, 236900, 251320, 280600, 289018, 314150, 473800, 578036, 628300, 722545, 1156072, 1256600, 1445090, 2890180, 3612725, 5780360, 7225450, 14450900, 28901800]

約数ペア:

[(1, 28901800), (2, 14450900), (4, 7225450), (5, 5780360), (8, 3612725), (10, 2890180), (20, 1445090), (23, 1256600), (25, 1156072), (40, 722545), (46, 628300), (50, 578036), (61, 473800), (92, 314150), (100, 289018), (103, 280600), (115, 251320), (122, 236900), (184, 157075), (200, 144509), (206, 140300), (230, 125660), (244, 118450), (305, 94760), (412, 70150), (460, 62830), (488, 59225), (515, 56120), (575, 50264), (610, 47380), (824, 35075), (920, 31415), (1030, 28060), (1150, 25132), (1220, 23690), (1403, 20600), (1525, 18952), (2060, 14030), (2300, 12566), (2369, 12200), (2440, 11845), (2575, 11224), (2806, 10300), (3050, 9476), (4120, 7015), (4600, 6283), (4738, 6100), (5150, 5612)]