280785610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 648622080

約数和(自身を除く): 367836470

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 35, 38, 46, 67, 70, 95, 115, 133, 134, 137, 161, 190, 230, 266, 274, 322, 335, 437, 469, 665, 670, 685, 805, 874, 938, 959, 1273, 1330, 1370, 1541, 1610, 1918, 2185, 2345, 2546, 2603, 3059, 3082, 3151, 4370, 4690, 4795, 5206, 6118, 6302, 6365, 7705, 8911, 9179, 9590, 10787, 12730, 13015, 15295, 15410, 15755, 17822, 18221, 18358, 21574, 22057, 26030, 29279, 30590, 31510, 36442, 44114, 44555, 45895, 53935, 58558, 59869, 64253, 89110, 91105, 91790, 107870, 110285, 119738, 128506, 146395, 174401, 182210, 204953, 211117, 220570, 292790, 299345, 321265, 348802, 409906, 419083, 422234, 598690, 642530, 838166, 872005, 1024765, 1055585, 1220807, 1477819, 1744010, 2049530, 2095415, 2111170, 2441614, 2955638, 4011223, 4190830, 6104035, 7389095, 8022446, 12208070, 14778190, 20056115, 28078561, 40112230, 56157122, 140392805, 280785610]

約数ペア:

[(1, 280785610), (2, 140392805), (5, 56157122), (7, 40112230), (10, 28078561), (14, 20056115), (19, 14778190), (23, 12208070), (35, 8022446), (38, 7389095), (46, 6104035), (67, 4190830), (70, 4011223), (95, 2955638), (115, 2441614), (133, 2111170), (134, 2095415), (137, 2049530), (161, 1744010), (190, 1477819), (230, 1220807), (266, 1055585), (274, 1024765), (322, 872005), (335, 838166), (437, 642530), (469, 598690), (665, 422234), (670, 419083), (685, 409906), (805, 348802), (874, 321265), (938, 299345), (959, 292790), (1273, 220570), (1330, 211117), (1370, 204953), (1541, 182210), (1610, 174401), (1918, 146395), (2185, 128506), (2345, 119738), (2546, 110285), (2603, 107870), (3059, 91790), (3082, 91105), (3151, 89110), (4370, 64253), (4690, 59869), (4795, 58558), (5206, 53935), (6118, 45895), (6302, 44555), (6365, 44114), (7705, 36442), (8911, 31510), (9179, 30590), (9590, 29279), (10787, 26030), (12730, 22057), (13015, 21574), (15295, 18358), (15410, 18221), (15755, 17822)]