279688420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 701846208

約数和(自身を除く): 422157788

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 53, 55, 68, 83, 85, 106, 110, 166, 170, 187, 212, 220, 265, 289, 332, 340, 374, 415, 530, 578, 583, 748, 830, 901, 913, 935, 1060, 1156, 1166, 1411, 1445, 1660, 1802, 1826, 1870, 2332, 2822, 2890, 2915, 3179, 3604, 3652, 3740, 4399, 4505, 4565, 5644, 5780, 5830, 6358, 7055, 8798, 9010, 9130, 9911, 11660, 12716, 14110, 15317, 15521, 15895, 17596, 18020, 18260, 19822, 21995, 23987, 28220, 30634, 31042, 31790, 39644, 43990, 47974, 48389, 49555, 61268, 62084, 63580, 74783, 76585, 77605, 87980, 95948, 96778, 99110, 119935, 149566, 153170, 155210, 168487, 193556, 198220, 239870, 241945, 263857, 299132, 306340, 310420, 336974, 373915, 479740, 483890, 527714, 673948, 747830, 822613, 842435, 967780, 1055428, 1271311, 1319285, 1495660, 1645226, 1684870, 2542622, 2638570, 3290452, 3369740, 4113065, 5085244, 5277140, 6356555, 8226130, 12713110, 13984421, 16452260, 25426220, 27968842, 55937684, 69922105, 139844210, 279688420]

約数ペア:

[(1, 279688420), (2, 139844210), (4, 69922105), (5, 55937684), (10, 27968842), (11, 25426220), (17, 16452260), (20, 13984421), (22, 12713110), (34, 8226130), (44, 6356555), (53, 5277140), (55, 5085244), (68, 4113065), (83, 3369740), (85, 3290452), (106, 2638570), (110, 2542622), (166, 1684870), (170, 1645226), (187, 1495660), (212, 1319285), (220, 1271311), (265, 1055428), (289, 967780), (332, 842435), (340, 822613), (374, 747830), (415, 673948), (530, 527714), (578, 483890), (583, 479740), (748, 373915), (830, 336974), (901, 310420), (913, 306340), (935, 299132), (1060, 263857), (1156, 241945), (1166, 239870), (1411, 198220), (1445, 193556), (1660, 168487), (1802, 155210), (1826, 153170), (1870, 149566), (2332, 119935), (2822, 99110), (2890, 96778), (2915, 95948), (3179, 87980), (3604, 77605), (3652, 76585), (3740, 74783), (4399, 63580), (4505, 62084), (4565, 61268), (5644, 49555), (5780, 48389), (5830, 47974), (6358, 43990), (7055, 39644), (8798, 31790), (9010, 31042), (9130, 30634), (9911, 28220), (11660, 23987), (12716, 21995), (14110, 19822), (15317, 18260), (15521, 18020), (15895, 17596)]