70018040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 167076000

約数和(自身を除く): 97057960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 181, 190, 362, 380, 509, 724, 760, 905, 1018, 1448, 1810, 2036, 2545, 3439, 3620, 4072, 5090, 6878, 7240, 9671, 10180, 13756, 17195, 19342, 20360, 27512, 34390, 38684, 48355, 68780, 77368, 92129, 96710, 137560, 184258, 193420, 368516, 386840, 460645, 737032, 921290, 1750451, 1842580, 3500902, 3685160, 7001804, 8752255, 14003608, 17504510, 35009020, 70018040]

約数ペア:

[(1, 70018040), (2, 35009020), (4, 17504510), (5, 14003608), (8, 8752255), (10, 7001804), (19, 3685160), (20, 3500902), (38, 1842580), (40, 1750451), (76, 921290), (95, 737032), (152, 460645), (181, 386840), (190, 368516), (362, 193420), (380, 184258), (509, 137560), (724, 96710), (760, 92129), (905, 77368), (1018, 68780), (1448, 48355), (1810, 38684), (2036, 34390), (2545, 27512), (3439, 20360), (3620, 19342), (4072, 17195), (5090, 13756), (6878, 10180), (7240, 9671)]