218070440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5227}}^1$

素因数の和:5394

約数の個数: 64

約数和(自身を含む): 564624000

約数和(自身を除く): 346553560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 5215, 5227, 5960, 8344, 10430, 10454, 20860, 20908, 26135, 36589, 41720, 41816, 52270, 73178, 104540, 146356, 182945, 209080, 292712, 365890, 731780, 778823, 1463560, 1557646, 3115292, 3894115, 5451761, 6230584, 7788230, 10903522, 15576460, 21807044, 27258805, 31152920, 43614088, 54517610, 109035220, 218070440]

約数ペア:

[(1, 218070440), (2, 109035220), (4, 54517610), (5, 43614088), (7, 31152920), (8, 27258805), (10, 21807044), (14, 15576460), (20, 10903522), (28, 7788230), (35, 6230584), (40, 5451761), (56, 3894115), (70, 3115292), (140, 1557646), (149, 1463560), (280, 778823), (298, 731780), (596, 365890), (745, 292712), (1043, 209080), (1192, 182945), (1490, 146356), (2086, 104540), (2980, 73178), (4172, 52270), (5215, 41816), (5227, 41720), (5960, 36589), (8344, 26135), (10430, 20908), (10454, 20860)]