78638050

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 151240320

約数和(自身を除く): 72602270

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 109, 218, 235, 307, 470, 545, 614, 1090, 1175, 1535, 2350, 2725, 3070, 5123, 5450, 7675, 10246, 14429, 15350, 25615, 28858, 33463, 51230, 66926, 72145, 128075, 144290, 167315, 256150, 334630, 360725, 721450, 836575, 1572761, 1673150, 3145522, 7863805, 15727610, 39319025, 78638050]

約数ペア:

[(1, 78638050), (2, 39319025), (5, 15727610), (10, 7863805), (25, 3145522), (47, 1673150), (50, 1572761), (94, 836575), (109, 721450), (218, 360725), (235, 334630), (307, 256150), (470, 167315), (545, 144290), (614, 128075), (1090, 72145), (1175, 66926), (1535, 51230), (2350, 33463), (2725, 28858), (3070, 25615), (5123, 15350), (5450, 14429), (7675, 10246)]