142721210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 284719104

約数和(自身を除く): 141997894

約数列:

[1, 2, 5, 10, 23, 31, 37, 46, 62, 74, 115, 155, 185, 230, 310, 370, 541, 713, 851, 1082, 1147, 1426, 1702, 2294, 2705, 3565, 4255, 5410, 5735, 7130, 8510, 11470, 12443, 16771, 20017, 24886, 26381, 33542, 40034, 52762, 62215, 83855, 100085, 124430, 131905, 167710, 200170, 263810, 385733, 460391, 620527, 771466, 920782, 1241054, 1928665, 2301955, 3102635, 3857330, 4603910, 6205270, 14272121, 28544242, 71360605, 142721210]

約数ペア:

[(1, 142721210), (2, 71360605), (5, 28544242), (10, 14272121), (23, 6205270), (31, 4603910), (37, 3857330), (46, 3102635), (62, 2301955), (74, 1928665), (115, 1241054), (155, 920782), (185, 771466), (230, 620527), (310, 460391), (370, 385733), (541, 263810), (713, 200170), (851, 167710), (1082, 131905), (1147, 124430), (1426, 100085), (1702, 83855), (2294, 62215), (2705, 52762), (3565, 40034), (4255, 33542), (5410, 26381), (5735, 24886), (7130, 20017), (8510, 16771), (11470, 12443)]