38957940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{631}}^1$

素因数の和:667

約数の個数: 144

約数和(自身を含む): 138028800

約数和(自身を除く): 99070860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 631, 686, 735, 882, 980, 1029, 1260, 1262, 1372, 1470, 1715, 1764, 1893, 2058, 2205, 2524, 2940, 3087, 3155, 3430, 3786, 4116, 4410, 4417, 5145, 5679, 6174, 6310, 6860, 7572, 8820, 8834, 9465, 10290, 11358, 12348, 12620, 13251, 15435, 17668, 18930, 20580, 22085, 22716, 26502, 28395, 30870, 30919, 37860, 39753, 44170, 53004, 56790, 61740, 61838, 66255, 79506, 88340, 92757, 113580, 123676, 132510, 154595, 159012, 185514, 198765, 216433, 265020, 278271, 309190, 371028, 397530, 432866, 463785, 556542, 618380, 649299, 795060, 865732, 927570, 1082165, 1113084, 1298598, 1391355, 1855140, 1947897, 2164330, 2597196, 2782710, 3246495, 3895794, 4328660, 5565420, 6492990, 7791588, 9739485, 12985980, 19478970, 38957940]

約数ペア:

[(1, 38957940), (2, 19478970), (3, 12985980), (4, 9739485), (5, 7791588), (6, 6492990), (7, 5565420), (9, 4328660), (10, 3895794), (12, 3246495), (14, 2782710), (15, 2597196), (18, 2164330), (20, 1947897), (21, 1855140), (28, 1391355), (30, 1298598), (35, 1113084), (36, 1082165), (42, 927570), (45, 865732), (49, 795060), (60, 649299), (63, 618380), (70, 556542), (84, 463785), (90, 432866), (98, 397530), (105, 371028), (126, 309190), (140, 278271), (147, 265020), (180, 216433), (196, 198765), (210, 185514), (245, 159012), (252, 154595), (294, 132510), (315, 123676), (343, 113580), (420, 92757), (441, 88340), (490, 79506), (588, 66255), (630, 61838), (631, 61740), (686, 56790), (735, 53004), (882, 44170), (980, 39753), (1029, 37860), (1260, 30919), (1262, 30870), (1372, 28395), (1470, 26502), (1715, 22716), (1764, 22085), (1893, 20580), (2058, 18930), (2205, 17668), (2524, 15435), (2940, 13251), (3087, 12620), (3155, 12348), (3430, 11358), (3786, 10290), (4116, 9465), (4410, 8834), (4417, 8820), (5145, 7572), (5679, 6860), (6174, 6310)]