385413420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{337}}^1\times {\mathrm{389}}^1$

素因数の和:752

約数の個数: 144

約数和(自身を含む): 1262308320

約数和(自身を除く): 876894900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 337, 389, 420, 490, 588, 674, 735, 778, 980, 1011, 1167, 1348, 1470, 1556, 1685, 1945, 2022, 2334, 2359, 2723, 2940, 3370, 3890, 4044, 4668, 4718, 5055, 5446, 5835, 6740, 7077, 7780, 8169, 9436, 10110, 10892, 11670, 11795, 13615, 14154, 16338, 16513, 19061, 20220, 23340, 23590, 27230, 28308, 32676, 33026, 35385, 38122, 40845, 47180, 49539, 54460, 57183, 66052, 70770, 76244, 81690, 82565, 95305, 99078, 114366, 131093, 141540, 163380, 165130, 190610, 198156, 228732, 247695, 262186, 285915, 330260, 381220, 393279, 495390, 524372, 571830, 655465, 786558, 917651, 990780, 1143660, 1310930, 1573116, 1835302, 1966395, 2621860, 2752953, 3670604, 3932790, 4588255, 5505906, 6423557, 7865580, 9176510, 11011812, 12847114, 13764765, 18353020, 19270671, 25694228, 27529530, 32117785, 38541342, 55059060, 64235570, 77082684, 96353355, 128471140, 192706710, 385413420]

約数ペア:

[(1, 385413420), (2, 192706710), (3, 128471140), (4, 96353355), (5, 77082684), (6, 64235570), (7, 55059060), (10, 38541342), (12, 32117785), (14, 27529530), (15, 25694228), (20, 19270671), (21, 18353020), (28, 13764765), (30, 12847114), (35, 11011812), (42, 9176510), (49, 7865580), (60, 6423557), (70, 5505906), (84, 4588255), (98, 3932790), (105, 3670604), (140, 2752953), (147, 2621860), (196, 1966395), (210, 1835302), (245, 1573116), (294, 1310930), (337, 1143660), (389, 990780), (420, 917651), (490, 786558), (588, 655465), (674, 571830), (735, 524372), (778, 495390), (980, 393279), (1011, 381220), (1167, 330260), (1348, 285915), (1470, 262186), (1556, 247695), (1685, 228732), (1945, 198156), (2022, 190610), (2334, 165130), (2359, 163380), (2723, 141540), (2940, 131093), (3370, 114366), (3890, 99078), (4044, 95305), (4668, 82565), (4718, 81690), (5055, 76244), (5446, 70770), (5835, 66052), (6740, 57183), (7077, 54460), (7780, 49539), (8169, 47180), (9436, 40845), (10110, 38122), (10892, 35385), (11670, 33026), (11795, 32676), (13615, 28308), (14154, 27230), (16338, 23590), (16513, 23340), (19061, 20220)]