26429620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 65356200

約数和(自身を除く): 38926580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 181, 196, 245, 298, 362, 490, 596, 724, 745, 905, 980, 1043, 1267, 1490, 1810, 2086, 2534, 2980, 3620, 4172, 5068, 5215, 6335, 7301, 8869, 10430, 12670, 14602, 17738, 20860, 25340, 26969, 29204, 35476, 36505, 44345, 53938, 73010, 88690, 107876, 134845, 146020, 177380, 188783, 269690, 377566, 539380, 755132, 943915, 1321481, 1887830, 2642962, 3775660, 5285924, 6607405, 13214810, 26429620]

約数ペア:

[(1, 26429620), (2, 13214810), (4, 6607405), (5, 5285924), (7, 3775660), (10, 2642962), (14, 1887830), (20, 1321481), (28, 943915), (35, 755132), (49, 539380), (70, 377566), (98, 269690), (140, 188783), (149, 177380), (181, 146020), (196, 134845), (245, 107876), (298, 88690), (362, 73010), (490, 53938), (596, 44345), (724, 36505), (745, 35476), (905, 29204), (980, 26969), (1043, 25340), (1267, 20860), (1490, 17738), (1810, 14602), (2086, 12670), (2534, 10430), (2980, 8869), (3620, 7301), (4172, 6335), (5068, 5215)]