291277840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{4603}}^1$

素因数の和:4736

約数の個数: 80

約数和(自身を含む): 780985728

約数和(自身を除く): 489707888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 452, 560, 565, 791, 904, 1130, 1582, 1808, 2260, 3164, 3955, 4520, 4603, 6328, 7910, 9040, 9206, 12656, 15820, 18412, 23015, 31640, 32221, 36824, 46030, 63280, 64442, 73648, 92060, 128884, 161105, 184120, 257768, 322210, 368240, 515536, 520139, 644420, 1040278, 1288840, 2080556, 2577680, 2600695, 3640973, 4161112, 5201390, 7281946, 8322224, 10402780, 14563892, 18204865, 20805560, 29127784, 36409730, 41611120, 58255568, 72819460, 145638920, 291277840]

約数ペア:

[(1, 291277840), (2, 145638920), (4, 72819460), (5, 58255568), (7, 41611120), (8, 36409730), (10, 29127784), (14, 20805560), (16, 18204865), (20, 14563892), (28, 10402780), (35, 8322224), (40, 7281946), (56, 5201390), (70, 4161112), (80, 3640973), (112, 2600695), (113, 2577680), (140, 2080556), (226, 1288840), (280, 1040278), (452, 644420), (560, 520139), (565, 515536), (791, 368240), (904, 322210), (1130, 257768), (1582, 184120), (1808, 161105), (2260, 128884), (3164, 92060), (3955, 73648), (4520, 64442), (4603, 63280), (6328, 46030), (7910, 36824), (9040, 32221), (9206, 31640), (12656, 23015), (15820, 18412)]