142869220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1061

約数の個数: 72

約数和(自身を含む): 332773056

約数和(自身を除く): 189903836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 169, 172, 215, 260, 338, 430, 559, 676, 845, 860, 983, 1118, 1690, 1966, 2236, 2795, 3380, 3932, 4915, 5590, 7267, 9830, 11180, 12779, 14534, 19660, 25558, 29068, 36335, 42269, 51116, 63895, 72670, 84538, 127790, 145340, 166127, 169076, 211345, 255580, 332254, 422690, 549497, 664508, 830635, 845380, 1098994, 1661270, 2197988, 2747485, 3322540, 5494970, 7143461, 10989940, 14286922, 28573844, 35717305, 71434610, 142869220]

約数ペア:

[(1, 142869220), (2, 71434610), (4, 35717305), (5, 28573844), (10, 14286922), (13, 10989940), (20, 7143461), (26, 5494970), (43, 3322540), (52, 2747485), (65, 2197988), (86, 1661270), (130, 1098994), (169, 845380), (172, 830635), (215, 664508), (260, 549497), (338, 422690), (430, 332254), (559, 255580), (676, 211345), (845, 169076), (860, 166127), (983, 145340), (1118, 127790), (1690, 84538), (1966, 72670), (2236, 63895), (2795, 51116), (3380, 42269), (3932, 36335), (4915, 29068), (5590, 25558), (7267, 19660), (9830, 14534), (11180, 12779)]