1993939515

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 3913228800

約数和(自身を除く): 1919289285

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 47, 57, 59, 87, 95, 141, 145, 171, 177, 235, 261, 285, 295, 423, 435, 531, 551, 705, 841, 855, 885, 893, 1121, 1305, 1363, 1653, 1711, 2115, 2523, 2655, 2679, 2755, 2773, 3363, 4089, 4205, 4465, 4959, 5133, 5605, 6815, 7569, 8037, 8265, 8319, 8555, 10089, 12267, 12615, 13395, 13865, 15399, 15979, 16815, 20445, 24795, 24957, 25665, 25897, 32509, 37845, 39527, 40185, 41595, 47937, 49619, 50445, 52687, 61335, 76995, 77691, 79895, 80417, 97527, 118581, 124785, 129485, 143811, 148857, 158061, 162545, 197635, 233073, 239685, 241251, 248095, 263435, 292581, 355743, 388455, 402085, 446571, 474183, 487635, 592905, 719055, 723753, 744285, 751013, 790305, 942761, 1165365, 1206255, 1462905, 1527923, 1778715, 2232855, 2253039, 2332093, 2370915, 2828283, 3618765, 3755065, 4583769, 4713805, 6759117, 6996279, 7639615, 8484849, 11265195, 11660465, 13751307, 14141415, 20988837, 22918845, 33795585, 34981395, 42424245, 44309767, 68756535, 104944185, 132929301, 221548835, 398787903, 664646505, 1993939515]

約数ペア:

[(1, 1993939515), (3, 664646505), (5, 398787903), (9, 221548835), (15, 132929301), (19, 104944185), (29, 68756535), (45, 44309767), (47, 42424245), (57, 34981395), (59, 33795585), (87, 22918845), (95, 20988837), (141, 14141415), (145, 13751307), (171, 11660465), (177, 11265195), (235, 8484849), (261, 7639615), (285, 6996279), (295, 6759117), (423, 4713805), (435, 4583769), (531, 3755065), (551, 3618765), (705, 2828283), (841, 2370915), (855, 2332093), (885, 2253039), (893, 2232855), (1121, 1778715), (1305, 1527923), (1363, 1462905), (1653, 1206255), (1711, 1165365), (2115, 942761), (2523, 790305), (2655, 751013), (2679, 744285), (2755, 723753), (2773, 719055), (3363, 592905), (4089, 487635), (4205, 474183), (4465, 446571), (4959, 402085), (5133, 388455), (5605, 355743), (6815, 292581), (7569, 263435), (8037, 248095), (8265, 241251), (8319, 239685), (8555, 233073), (10089, 197635), (12267, 162545), (12615, 158061), (13395, 148857), (13865, 143811), (15399, 129485), (15979, 124785), (16815, 118581), (20445, 97527), (24795, 80417), (24957, 79895), (25665, 77691), (25897, 76995), (32509, 61335), (37845, 52687), (39527, 50445), (40185, 49619), (41595, 47937)]