207020380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 513838080

約数和(自身を除く): 306817700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 71, 118, 140, 142, 236, 284, 295, 353, 355, 413, 497, 590, 706, 710, 826, 994, 1180, 1412, 1420, 1652, 1765, 1988, 2065, 2471, 2485, 3530, 4130, 4189, 4942, 4970, 7060, 8260, 8378, 9884, 9940, 12355, 16756, 20827, 20945, 24710, 25063, 29323, 41654, 41890, 49420, 50126, 58646, 83308, 83780, 100252, 104135, 117292, 125315, 145789, 146615, 175441, 208270, 250630, 291578, 293230, 350882, 416540, 501260, 583156, 586460, 701764, 728945, 877205, 1457890, 1478717, 1754410, 2915780, 2957434, 3508820, 5914868, 7393585, 10351019, 14787170, 20702038, 29574340, 41404076, 51755095, 103510190, 207020380]

約数ペア:

[(1, 207020380), (2, 103510190), (4, 51755095), (5, 41404076), (7, 29574340), (10, 20702038), (14, 14787170), (20, 10351019), (28, 7393585), (35, 5914868), (59, 3508820), (70, 2957434), (71, 2915780), (118, 1754410), (140, 1478717), (142, 1457890), (236, 877205), (284, 728945), (295, 701764), (353, 586460), (355, 583156), (413, 501260), (497, 416540), (590, 350882), (706, 293230), (710, 291578), (826, 250630), (994, 208270), (1180, 175441), (1412, 146615), (1420, 145789), (1652, 125315), (1765, 117292), (1988, 104135), (2065, 100252), (2471, 83780), (2485, 83308), (3530, 58646), (4130, 50126), (4189, 49420), (4942, 41890), (4970, 41654), (7060, 29323), (8260, 25063), (8378, 24710), (9884, 20945), (9940, 20827), (12355, 16756)]