219654820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7507}}^1$

素因数の和:7553

約数の個数: 96

約数和(自身を含む): 605445120

約数和(自身を除く): 385790300

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 665, 770, 836, 1045, 1330, 1463, 1540, 2090, 2660, 2926, 4180, 5852, 7315, 7507, 14630, 15014, 29260, 30028, 37535, 52549, 75070, 82577, 105098, 142633, 150140, 165154, 210196, 262745, 285266, 330308, 412885, 525490, 570532, 578039, 713165, 825770, 998431, 1050980, 1156078, 1426330, 1568963, 1651540, 1996862, 2312156, 2852660, 2890195, 3137926, 3993724, 4992155, 5780390, 6275852, 7844815, 9984310, 10982741, 11560780, 15689630, 19968620, 21965482, 31379260, 43930964, 54913705, 109827410, 219654820]

約数ペア:

[(1, 219654820), (2, 109827410), (4, 54913705), (5, 43930964), (7, 31379260), (10, 21965482), (11, 19968620), (14, 15689630), (19, 11560780), (20, 10982741), (22, 9984310), (28, 7844815), (35, 6275852), (38, 5780390), (44, 4992155), (55, 3993724), (70, 3137926), (76, 2890195), (77, 2852660), (95, 2312156), (110, 1996862), (133, 1651540), (140, 1568963), (154, 1426330), (190, 1156078), (209, 1050980), (220, 998431), (266, 825770), (308, 713165), (380, 578039), (385, 570532), (418, 525490), (532, 412885), (665, 330308), (770, 285266), (836, 262745), (1045, 210196), (1330, 165154), (1463, 150140), (1540, 142633), (2090, 105098), (2660, 82577), (2926, 75070), (4180, 52549), (5852, 37535), (7315, 30028), (7507, 29260), (14630, 15014)]