42492800

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{271}}^1$

素因数の和:309

約数の個数: 144

約数和(自身を含む): 122559120

約数和(自身を除く): 80066320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 271, 280, 320, 350, 392, 400, 448, 490, 542, 560, 640, 700, 784, 800, 896, 980, 1084, 1120, 1225, 1355, 1400, 1568, 1600, 1897, 1960, 2168, 2240, 2450, 2710, 2800, 3136, 3200, 3794, 3920, 4336, 4480, 4900, 5420, 5600, 6272, 6775, 7588, 7840, 8672, 9485, 9800, 10840, 11200, 13279, 13550, 15176, 15680, 17344, 18970, 19600, 21680, 22400, 26558, 27100, 30352, 31360, 34688, 37940, 39200, 43360, 47425, 53116, 54200, 60704, 66395, 75880, 78400, 86720, 94850, 106232, 108400, 121408, 132790, 151760, 156800, 173440, 189700, 212464, 216800, 242816, 265580, 303520, 331975, 379400, 424928, 433600, 531160, 607040, 663950, 758800, 849856, 867200, 1062320, 1214080, 1327900, 1517600, 1699712, 2124640, 2655800, 3035200, 4249280, 5311600, 6070400, 8498560, 10623200, 21246400, 42492800]

約数ペア:

[(1, 42492800), (2, 21246400), (4, 10623200), (5, 8498560), (7, 6070400), (8, 5311600), (10, 4249280), (14, 3035200), (16, 2655800), (20, 2124640), (25, 1699712), (28, 1517600), (32, 1327900), (35, 1214080), (40, 1062320), (49, 867200), (50, 849856), (56, 758800), (64, 663950), (70, 607040), (80, 531160), (98, 433600), (100, 424928), (112, 379400), (128, 331975), (140, 303520), (160, 265580), (175, 242816), (196, 216800), (200, 212464), (224, 189700), (245, 173440), (271, 156800), (280, 151760), (320, 132790), (350, 121408), (392, 108400), (400, 106232), (448, 94850), (490, 86720), (542, 78400), (560, 75880), (640, 66395), (700, 60704), (784, 54200), (800, 53116), (896, 47425), (980, 43360), (1084, 39200), (1120, 37940), (1225, 34688), (1355, 31360), (1400, 30352), (1568, 27100), (1600, 26558), (1897, 22400), (1960, 21680), (2168, 19600), (2240, 18970), (2450, 17344), (2710, 15680), (2800, 15176), (3136, 13550), (3200, 13279), (3794, 11200), (3920, 10840), (4336, 9800), (4480, 9485), (4900, 8672), (5420, 7840), (5600, 7588), (6272, 6775)]