1886437840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{42641}}^1$

素因数の和:42740

約数の個数: 80

約数和(自身を含む): 5076103680

約数和(自身を除く): 3189665840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 3160, 4424, 5530, 6320, 8848, 11060, 22120, 42641, 44240, 85282, 170564, 213205, 298487, 341128, 426410, 596974, 682256, 852820, 1193948, 1492435, 1705640, 2387896, 2984870, 3368639, 3411280, 4775792, 5969740, 6737278, 11939480, 13474556, 16843195, 23580473, 23878960, 26949112, 33686390, 47160946, 53898224, 67372780, 94321892, 117902365, 134745560, 188643784, 235804730, 269491120, 377287568, 471609460, 943218920, 1886437840]

約数ペア:

[(1, 1886437840), (2, 943218920), (4, 471609460), (5, 377287568), (7, 269491120), (8, 235804730), (10, 188643784), (14, 134745560), (16, 117902365), (20, 94321892), (28, 67372780), (35, 53898224), (40, 47160946), (56, 33686390), (70, 26949112), (79, 23878960), (80, 23580473), (112, 16843195), (140, 13474556), (158, 11939480), (280, 6737278), (316, 5969740), (395, 4775792), (553, 3411280), (560, 3368639), (632, 2984870), (790, 2387896), (1106, 1705640), (1264, 1492435), (1580, 1193948), (2212, 852820), (2765, 682256), (3160, 596974), (4424, 426410), (5530, 341128), (6320, 298487), (8848, 213205), (11060, 170564), (22120, 85282), (42641, 44240)]