285923820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7481}}^1$

素因数の和:7520

約数の個数: 144

約数和(自身を含む): 1003066848

約数和(自身を除く): 717143028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2548, 2730, 2940, 3185, 3822, 5460, 6370, 7481, 7644, 9555, 12740, 14962, 19110, 22443, 29924, 37405, 38220, 44886, 52367, 74810, 89772, 97253, 104734, 112215, 149620, 157101, 194506, 209468, 224430, 261835, 291759, 314202, 366569, 389012, 448860, 486265, 523670, 583518, 628404, 680771, 733138, 785505, 972530, 1047340, 1099707, 1167036, 1361542, 1458795, 1466276, 1571010, 1832845, 1945060, 2042313, 2199414, 2723084, 2917590, 3142020, 3403855, 3665690, 4084626, 4398828, 4765397, 5498535, 5835180, 6807710, 7331380, 8169252, 9530794, 10211565, 10997070, 13615420, 14296191, 19061588, 20423130, 21994140, 23826985, 28592382, 40846260, 47653970, 57184764, 71480955, 95307940, 142961910, 285923820]

約数ペア:

[(1, 285923820), (2, 142961910), (3, 95307940), (4, 71480955), (5, 57184764), (6, 47653970), (7, 40846260), (10, 28592382), (12, 23826985), (13, 21994140), (14, 20423130), (15, 19061588), (20, 14296191), (21, 13615420), (26, 10997070), (28, 10211565), (30, 9530794), (35, 8169252), (39, 7331380), (42, 6807710), (49, 5835180), (52, 5498535), (60, 4765397), (65, 4398828), (70, 4084626), (78, 3665690), (84, 3403855), (91, 3142020), (98, 2917590), (105, 2723084), (130, 2199414), (140, 2042313), (147, 1945060), (156, 1832845), (182, 1571010), (195, 1466276), (196, 1458795), (210, 1361542), (245, 1167036), (260, 1099707), (273, 1047340), (294, 972530), (364, 785505), (390, 733138), (420, 680771), (455, 628404), (490, 583518), (546, 523670), (588, 486265), (637, 448860), (735, 389012), (780, 366569), (910, 314202), (980, 291759), (1092, 261835), (1274, 224430), (1365, 209468), (1470, 194506), (1820, 157101), (1911, 149620), (2548, 112215), (2730, 104734), (2940, 97253), (3185, 89772), (3822, 74810), (5460, 52367), (6370, 44886), (7481, 38220), (7644, 37405), (9555, 29924), (12740, 22443), (14962, 19110)]