27972140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 76531392

約数和(自身を除く): 48559252

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 49, 68, 70, 73, 85, 92, 98, 115, 119, 140, 146, 161, 170, 196, 230, 238, 245, 292, 322, 340, 365, 391, 460, 476, 490, 511, 595, 644, 730, 782, 805, 833, 980, 1022, 1127, 1190, 1241, 1460, 1564, 1610, 1666, 1679, 1955, 2044, 2254, 2380, 2482, 2555, 2737, 3220, 3332, 3358, 3577, 3910, 4165, 4508, 4964, 5110, 5474, 5635, 6205, 6716, 7154, 7820, 8330, 8395, 8687, 10220, 10948, 11270, 11753, 12410, 13685, 14308, 16660, 16790, 17374, 17885, 19159, 22540, 23506, 24820, 27370, 28543, 33580, 34748, 35770, 38318, 43435, 47012, 54740, 57086, 58765, 60809, 71540, 76636, 82271, 86870, 95795, 114172, 117530, 121618, 142715, 164542, 173740, 191590, 199801, 235060, 243236, 285430, 304045, 329084, 383180, 399602, 411355, 570860, 608090, 799204, 822710, 999005, 1216180, 1398607, 1645420, 1998010, 2797214, 3996020, 5594428, 6993035, 13986070, 27972140]

約数ペア:

[(1, 27972140), (2, 13986070), (4, 6993035), (5, 5594428), (7, 3996020), (10, 2797214), (14, 1998010), (17, 1645420), (20, 1398607), (23, 1216180), (28, 999005), (34, 822710), (35, 799204), (46, 608090), (49, 570860), (68, 411355), (70, 399602), (73, 383180), (85, 329084), (92, 304045), (98, 285430), (115, 243236), (119, 235060), (140, 199801), (146, 191590), (161, 173740), (170, 164542), (196, 142715), (230, 121618), (238, 117530), (245, 114172), (292, 95795), (322, 86870), (340, 82271), (365, 76636), (391, 71540), (460, 60809), (476, 58765), (490, 57086), (511, 54740), (595, 47012), (644, 43435), (730, 38318), (782, 35770), (805, 34748), (833, 33580), (980, 28543), (1022, 27370), (1127, 24820), (1190, 23506), (1241, 22540), (1460, 19159), (1564, 17885), (1610, 17374), (1666, 16790), (1679, 16660), (1955, 14308), (2044, 13685), (2254, 12410), (2380, 11753), (2482, 11270), (2555, 10948), (2737, 10220), (3220, 8687), (3332, 8395), (3358, 8330), (3577, 7820), (3910, 7154), (4165, 6716), (4508, 6205), (4964, 5635), (5110, 5474)]