988341760

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{7879}}^1$

素因数の和:7916

約数の個数: 120

約数和(自身を含む): 2756944080

約数和(自身を除く): 1768602320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 2560, 3136, 3584, 3920, 4480, 6272, 7840, 7879, 8960, 12544, 15680, 15758, 17920, 25088, 31360, 31516, 39395, 55153, 62720, 63032, 78790, 110306, 125440, 126064, 157580, 220612, 252128, 275765, 315160, 386071, 441224, 504256, 551530, 630320, 772142, 882448, 1008512, 1103060, 1260640, 1544284, 1764896, 1930355, 2017024, 2206120, 2521280, 3088568, 3529792, 3860710, 4034048, 4412240, 5042560, 6177136, 7059584, 7721420, 8824480, 10085120, 12354272, 14119168, 15442840, 17648960, 20170240, 24708544, 28238336, 30885680, 35297920, 49417088, 61771360, 70595840, 98834176, 123542720, 141191680, 197668352, 247085440, 494170880, 988341760]

約数ペア:

[(1, 988341760), (2, 494170880), (4, 247085440), (5, 197668352), (7, 141191680), (8, 123542720), (10, 98834176), (14, 70595840), (16, 61771360), (20, 49417088), (28, 35297920), (32, 30885680), (35, 28238336), (40, 24708544), (49, 20170240), (56, 17648960), (64, 15442840), (70, 14119168), (80, 12354272), (98, 10085120), (112, 8824480), (128, 7721420), (140, 7059584), (160, 6177136), (196, 5042560), (224, 4412240), (245, 4034048), (256, 3860710), (280, 3529792), (320, 3088568), (392, 2521280), (448, 2206120), (490, 2017024), (512, 1930355), (560, 1764896), (640, 1544284), (784, 1260640), (896, 1103060), (980, 1008512), (1120, 882448), (1280, 772142), (1568, 630320), (1792, 551530), (1960, 504256), (2240, 441224), (2560, 386071), (3136, 315160), (3584, 275765), (3920, 252128), (4480, 220612), (6272, 157580), (7840, 126064), (7879, 125440), (8960, 110306), (12544, 78790), (15680, 63032), (15758, 62720), (17920, 55153), (25088, 39395), (31360, 31516)]