690804940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 1769644800

約数和(自身を除く): 1078839860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 109, 116, 140, 145, 196, 203, 218, 223, 245, 290, 406, 436, 446, 490, 545, 580, 763, 812, 892, 980, 1015, 1090, 1115, 1421, 1526, 1561, 2030, 2180, 2230, 2842, 3052, 3122, 3161, 3815, 4060, 4460, 5341, 5684, 6244, 6322, 6467, 7105, 7630, 7805, 10682, 10927, 12644, 12934, 14210, 15260, 15610, 15805, 21364, 21854, 22127, 24307, 25868, 26705, 28420, 31220, 31610, 32335, 43708, 44254, 45269, 48614, 53410, 54635, 63220, 64670, 88508, 90538, 97228, 106820, 109270, 110635, 121535, 129340, 154889, 170149, 181076, 218540, 221270, 226345, 243070, 309778, 316883, 340298, 442540, 452690, 486140, 619556, 633766, 680596, 704903, 774445, 850745, 905380, 1191043, 1267532, 1409806, 1548890, 1584415, 1701490, 2382086, 2819612, 3097780, 3168830, 3402980, 3524515, 4764172, 4934321, 5955215, 6337660, 7049030, 9868642, 11910430, 14098060, 19737284, 23820860, 24671605, 34540247, 49343210, 69080494, 98686420, 138160988, 172701235, 345402470, 690804940]

約数ペア:

[(1, 690804940), (2, 345402470), (4, 172701235), (5, 138160988), (7, 98686420), (10, 69080494), (14, 49343210), (20, 34540247), (28, 24671605), (29, 23820860), (35, 19737284), (49, 14098060), (58, 11910430), (70, 9868642), (98, 7049030), (109, 6337660), (116, 5955215), (140, 4934321), (145, 4764172), (196, 3524515), (203, 3402980), (218, 3168830), (223, 3097780), (245, 2819612), (290, 2382086), (406, 1701490), (436, 1584415), (446, 1548890), (490, 1409806), (545, 1267532), (580, 1191043), (763, 905380), (812, 850745), (892, 774445), (980, 704903), (1015, 680596), (1090, 633766), (1115, 619556), (1421, 486140), (1526, 452690), (1561, 442540), (2030, 340298), (2180, 316883), (2230, 309778), (2842, 243070), (3052, 226345), (3122, 221270), (3161, 218540), (3815, 181076), (4060, 170149), (4460, 154889), (5341, 129340), (5684, 121535), (6244, 110635), (6322, 109270), (6467, 106820), (7105, 97228), (7630, 90538), (7805, 88508), (10682, 64670), (10927, 63220), (12644, 54635), (12934, 53410), (14210, 48614), (15260, 45269), (15610, 44254), (15805, 43708), (21364, 32335), (21854, 31610), (22127, 31220), (24307, 28420), (25868, 26705)]