78382360

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 213840000

約数和(自身を除く): 135457640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 197, 203, 232, 245, 280, 290, 343, 392, 394, 406, 490, 580, 686, 788, 812, 980, 985, 1015, 1160, 1372, 1379, 1421, 1576, 1624, 1715, 1960, 1970, 2030, 2744, 2758, 2842, 3430, 3940, 4060, 5516, 5684, 5713, 6860, 6895, 7105, 7880, 8120, 9653, 9947, 11032, 11368, 11426, 13720, 13790, 14210, 19306, 19894, 22852, 27580, 28420, 28565, 38612, 39788, 39991, 45704, 48265, 49735, 55160, 56840, 57130, 67571, 77224, 79576, 79982, 96530, 99470, 114260, 135142, 159964, 193060, 198940, 199955, 228520, 270284, 279937, 319928, 337855, 386120, 397880, 399910, 540568, 559874, 675710, 799820, 1119748, 1351420, 1399685, 1599640, 1959559, 2239496, 2702840, 2799370, 3919118, 5598740, 7838236, 9797795, 11197480, 15676472, 19595590, 39191180, 78382360]

約数ペア:

[(1, 78382360), (2, 39191180), (4, 19595590), (5, 15676472), (7, 11197480), (8, 9797795), (10, 7838236), (14, 5598740), (20, 3919118), (28, 2799370), (29, 2702840), (35, 2239496), (40, 1959559), (49, 1599640), (56, 1399685), (58, 1351420), (70, 1119748), (98, 799820), (116, 675710), (140, 559874), (145, 540568), (196, 399910), (197, 397880), (203, 386120), (232, 337855), (245, 319928), (280, 279937), (290, 270284), (343, 228520), (392, 199955), (394, 198940), (406, 193060), (490, 159964), (580, 135142), (686, 114260), (788, 99470), (812, 96530), (980, 79982), (985, 79576), (1015, 77224), (1160, 67571), (1372, 57130), (1379, 56840), (1421, 55160), (1576, 49735), (1624, 48265), (1715, 45704), (1960, 39991), (1970, 39788), (2030, 38612), (2744, 28565), (2758, 28420), (2842, 27580), (3430, 22852), (3940, 19894), (4060, 19306), (5516, 14210), (5684, 13790), (5713, 13720), (6860, 11426), (6895, 11368), (7105, 11032), (7880, 9947), (8120, 9653)]