249867520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 694632960

約数和(自身を除く): 444765440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 256, 280, 316, 320, 353, 395, 448, 553, 560, 632, 640, 706, 790, 896, 1106, 1120, 1264, 1280, 1412, 1580, 1765, 1792, 2212, 2240, 2471, 2528, 2765, 2824, 3160, 3530, 4424, 4480, 4942, 5056, 5530, 5648, 6320, 7060, 8848, 8960, 9884, 10112, 11060, 11296, 12355, 12640, 14120, 17696, 19768, 20224, 22120, 22592, 24710, 25280, 27887, 28240, 35392, 39536, 44240, 45184, 49420, 50560, 55774, 56480, 70784, 79072, 88480, 90368, 98840, 101120, 111548, 112960, 139435, 141568, 158144, 176960, 195209, 197680, 223096, 225920, 278870, 316288, 353920, 390418, 395360, 446192, 451840, 557740, 632576, 707840, 780836, 790720, 892384, 976045, 1115480, 1561672, 1581440, 1784768, 1952090, 2230960, 3123344, 3162880, 3569536, 3904180, 4461920, 6246688, 7139072, 7808360, 8923840, 12493376, 15616720, 17847680, 24986752, 31233440, 35695360, 49973504, 62466880, 124933760, 249867520]

約数ペア:

[(1, 249867520), (2, 124933760), (4, 62466880), (5, 49973504), (7, 35695360), (8, 31233440), (10, 24986752), (14, 17847680), (16, 15616720), (20, 12493376), (28, 8923840), (32, 7808360), (35, 7139072), (40, 6246688), (56, 4461920), (64, 3904180), (70, 3569536), (79, 3162880), (80, 3123344), (112, 2230960), (128, 1952090), (140, 1784768), (158, 1581440), (160, 1561672), (224, 1115480), (256, 976045), (280, 892384), (316, 790720), (320, 780836), (353, 707840), (395, 632576), (448, 557740), (553, 451840), (560, 446192), (632, 395360), (640, 390418), (706, 353920), (790, 316288), (896, 278870), (1106, 225920), (1120, 223096), (1264, 197680), (1280, 195209), (1412, 176960), (1580, 158144), (1765, 141568), (1792, 139435), (2212, 112960), (2240, 111548), (2471, 101120), (2528, 98840), (2765, 90368), (2824, 88480), (3160, 79072), (3530, 70784), (4424, 56480), (4480, 55774), (4942, 50560), (5056, 49420), (5530, 45184), (5648, 44240), (6320, 39536), (7060, 35392), (8848, 28240), (8960, 27887), (9884, 25280), (10112, 24710), (11060, 22592), (11296, 22120), (12355, 20224), (12640, 19768), (14120, 17696)]