217833420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{74093}}^1$

素因数の和:74119

約数の個数: 72

約数和(自身を含む): 709524144

約数和(自身を除く): 491690724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 74093, 148186, 222279, 296372, 370465, 444558, 518651, 740930, 889116, 1037302, 1111395, 1481860, 1555953, 2074604, 2222790, 2593255, 3111906, 3630557, 4445580, 5186510, 6223812, 7261114, 7779765, 10373020, 10891671, 14522228, 15559530, 18152785, 21783342, 31119060, 36305570, 43566684, 54458355, 72611140, 108916710, 217833420]

約数ペア:

[(1, 217833420), (2, 108916710), (3, 72611140), (4, 54458355), (5, 43566684), (6, 36305570), (7, 31119060), (10, 21783342), (12, 18152785), (14, 15559530), (15, 14522228), (20, 10891671), (21, 10373020), (28, 7779765), (30, 7261114), (35, 6223812), (42, 5186510), (49, 4445580), (60, 3630557), (70, 3111906), (84, 2593255), (98, 2222790), (105, 2074604), (140, 1555953), (147, 1481860), (196, 1111395), (210, 1037302), (245, 889116), (294, 740930), (420, 518651), (490, 444558), (588, 370465), (735, 296372), (980, 222279), (1470, 148186), (2940, 74093)]