71389460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 171642240

約数和(自身を除く): 100252780

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 43, 68, 76, 85, 86, 95, 170, 172, 190, 215, 257, 323, 340, 380, 430, 514, 646, 731, 817, 860, 1028, 1285, 1292, 1462, 1615, 1634, 2570, 2924, 3230, 3268, 3655, 4085, 4369, 4883, 5140, 6460, 7310, 8170, 8738, 9766, 11051, 13889, 14620, 16340, 17476, 19532, 21845, 22102, 24415, 27778, 43690, 44204, 48830, 55255, 55556, 69445, 83011, 87380, 97660, 110510, 138890, 166022, 187867, 209969, 221020, 277780, 332044, 375734, 415055, 419938, 751468, 830110, 839876, 939335, 1049845, 1660220, 1878670, 2099690, 3569473, 3757340, 4199380, 7138946, 14277892, 17847365, 35694730, 71389460]

約数ペア:

[(1, 71389460), (2, 35694730), (4, 17847365), (5, 14277892), (10, 7138946), (17, 4199380), (19, 3757340), (20, 3569473), (34, 2099690), (38, 1878670), (43, 1660220), (68, 1049845), (76, 939335), (85, 839876), (86, 830110), (95, 751468), (170, 419938), (172, 415055), (190, 375734), (215, 332044), (257, 277780), (323, 221020), (340, 209969), (380, 187867), (430, 166022), (514, 138890), (646, 110510), (731, 97660), (817, 87380), (860, 83011), (1028, 69445), (1285, 55556), (1292, 55255), (1462, 48830), (1615, 44204), (1634, 43690), (2570, 27778), (2924, 24415), (3230, 22102), (3268, 21845), (3655, 19532), (4085, 17476), (4369, 16340), (4883, 14620), (5140, 13889), (6460, 11051), (7310, 9766), (8170, 8738)]