238339970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1331

約数の個数: 64

約数和(自身を含む): 490976640

約数和(自身を除く): 252636670

約数列:

[1, 2, 5, 10, 11, 22, 41, 43, 55, 82, 86, 110, 205, 215, 410, 430, 451, 473, 902, 946, 1229, 1763, 2255, 2365, 2458, 3526, 4510, 4730, 6145, 8815, 12290, 13519, 17630, 19393, 27038, 38786, 50389, 52847, 67595, 96965, 100778, 105694, 135190, 193930, 251945, 264235, 503890, 528470, 554279, 581317, 1108558, 1162634, 2166727, 2771395, 2906585, 4333454, 5542790, 5813170, 10833635, 21667270, 23833997, 47667994, 119169985, 238339970]

約数ペア:

[(1, 238339970), (2, 119169985), (5, 47667994), (10, 23833997), (11, 21667270), (22, 10833635), (41, 5813170), (43, 5542790), (55, 4333454), (82, 2906585), (86, 2771395), (110, 2166727), (205, 1162634), (215, 1108558), (410, 581317), (430, 554279), (451, 528470), (473, 503890), (902, 264235), (946, 251945), (1229, 193930), (1763, 135190), (2255, 105694), (2365, 100778), (2458, 96965), (3526, 67595), (4510, 52847), (4730, 50389), (6145, 38786), (8815, 27038), (12290, 19393), (13519, 17630)]