200789420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 469929600

約数和(自身を除く): 269140180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 73, 130, 142, 146, 149, 260, 284, 292, 298, 355, 365, 596, 710, 730, 745, 923, 949, 1420, 1460, 1490, 1846, 1898, 1937, 2980, 3692, 3796, 3874, 4615, 4745, 5183, 7748, 9230, 9490, 9685, 10366, 10579, 10877, 18460, 18980, 19370, 20732, 21158, 21754, 25915, 38740, 42316, 43508, 51830, 52895, 54385, 67379, 103660, 105790, 108770, 134758, 137527, 141401, 211580, 217540, 269516, 275054, 282802, 336895, 550108, 565604, 673790, 687635, 707005, 772267, 1347580, 1375270, 1414010, 1544534, 2750540, 2828020, 3089068, 3861335, 7722670, 10039471, 15445340, 20078942, 40157884, 50197355, 100394710, 200789420]

約数ペア:

[(1, 200789420), (2, 100394710), (4, 50197355), (5, 40157884), (10, 20078942), (13, 15445340), (20, 10039471), (26, 7722670), (52, 3861335), (65, 3089068), (71, 2828020), (73, 2750540), (130, 1544534), (142, 1414010), (146, 1375270), (149, 1347580), (260, 772267), (284, 707005), (292, 687635), (298, 673790), (355, 565604), (365, 550108), (596, 336895), (710, 282802), (730, 275054), (745, 269516), (923, 217540), (949, 211580), (1420, 141401), (1460, 137527), (1490, 134758), (1846, 108770), (1898, 105790), (1937, 103660), (2980, 67379), (3692, 54385), (3796, 52895), (3874, 51830), (4615, 43508), (4745, 42316), (5183, 38740), (7748, 25915), (9230, 21754), (9490, 21158), (9685, 20732), (10366, 19370), (10579, 18980), (10877, 18460)]