719131490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:744

約数の個数: 128

約数和(自身を含む): 1704001536

約数和(自身を除く): 984870046

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 47, 55, 62, 70, 77, 94, 110, 154, 155, 217, 235, 310, 329, 341, 385, 434, 470, 517, 641, 658, 682, 770, 1034, 1085, 1282, 1457, 1645, 1705, 2170, 2387, 2585, 2914, 3205, 3290, 3410, 3619, 4487, 4774, 5170, 6410, 7051, 7238, 7285, 8974, 10199, 11935, 14102, 14570, 16027, 18095, 19871, 20398, 22435, 23870, 30127, 32054, 35255, 36190, 39742, 44870, 49357, 50995, 60254, 70510, 80135, 98714, 99355, 101990, 112189, 139097, 150635, 160270, 198710, 210889, 218581, 224378, 246785, 278194, 301270, 331397, 421778, 437162, 493570, 560945, 662794, 695485, 933937, 1054445, 1092905, 1121890, 1390970, 1530067, 1656985, 1867874, 2108890, 2185810, 2319779, 3060134, 3313970, 4639558, 4669685, 6537559, 7650335, 9339370, 10273307, 11598895, 13075118, 15300670, 20546614, 23197790, 32687795, 51366535, 65375590, 71913149, 102733070, 143826298, 359565745, 719131490]

約数ペア:

[(1, 719131490), (2, 359565745), (5, 143826298), (7, 102733070), (10, 71913149), (11, 65375590), (14, 51366535), (22, 32687795), (31, 23197790), (35, 20546614), (47, 15300670), (55, 13075118), (62, 11598895), (70, 10273307), (77, 9339370), (94, 7650335), (110, 6537559), (154, 4669685), (155, 4639558), (217, 3313970), (235, 3060134), (310, 2319779), (329, 2185810), (341, 2108890), (385, 1867874), (434, 1656985), (470, 1530067), (517, 1390970), (641, 1121890), (658, 1092905), (682, 1054445), (770, 933937), (1034, 695485), (1085, 662794), (1282, 560945), (1457, 493570), (1645, 437162), (1705, 421778), (2170, 331397), (2387, 301270), (2585, 278194), (2914, 246785), (3205, 224378), (3290, 218581), (3410, 210889), (3619, 198710), (4487, 160270), (4774, 150635), (5170, 139097), (6410, 112189), (7051, 101990), (7238, 99355), (7285, 98714), (8974, 80135), (10199, 70510), (11935, 60254), (14102, 50995), (14570, 49357), (16027, 44870), (18095, 39742), (19871, 36190), (20398, 35255), (22435, 32054), (23870, 30127)]