203172970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20297}}^1$

素因数の和:20335

約数の個数: 64

約数和(自身を含む): 491049216

約数和(自身を除く): 287876246

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 10010, 20297, 40594, 101485, 142079, 202970, 223267, 263861, 284158, 446534, 527722, 710395, 1116335, 1319305, 1420790, 1562869, 1847027, 2232670, 2638610, 2902471, 3125738, 3694054, 5804942, 7814345, 9235135, 14512355, 15628690, 18470270, 20317297, 29024710, 40634594, 101586485, 203172970]

約数ペア:

[(1, 203172970), (2, 101586485), (5, 40634594), (7, 29024710), (10, 20317297), (11, 18470270), (13, 15628690), (14, 14512355), (22, 9235135), (26, 7814345), (35, 5804942), (55, 3694054), (65, 3125738), (70, 2902471), (77, 2638610), (91, 2232670), (110, 1847027), (130, 1562869), (143, 1420790), (154, 1319305), (182, 1116335), (286, 710395), (385, 527722), (455, 446534), (715, 284158), (770, 263861), (910, 223267), (1001, 202970), (1430, 142079), (2002, 101485), (5005, 40594), (10010, 20297)]