312502400

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{1993}}^1$

素因数の和:2031

約数の個数: 144

約数和(自身を含む): 898466490

約数和(自身を除く): 585964090

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, 280, 320, 350, 392, 400, 448, 490, 560, 640, 700, 784, 800, 896, 980, 1120, 1225, 1400, 1568, 1600, 1960, 1993, 2240, 2450, 2800, 3136, 3200, 3920, 3986, 4480, 4900, 5600, 6272, 7840, 7972, 9800, 9965, 11200, 13951, 15680, 15944, 19600, 19930, 22400, 27902, 31360, 31888, 39200, 39860, 49825, 55804, 63776, 69755, 78400, 79720, 97657, 99650, 111608, 127552, 139510, 156800, 159440, 195314, 199300, 223216, 255104, 279020, 318880, 348775, 390628, 398600, 446432, 488285, 558040, 637760, 697550, 781256, 797200, 892864, 976570, 1116080, 1275520, 1395100, 1562512, 1594400, 1785728, 1953140, 2232160, 2441425, 2790200, 3125024, 3188800, 3906280, 4464320, 4882850, 5580400, 6250048, 6377600, 7812560, 8928640, 9765700, 11160800, 12500096, 15625120, 19531400, 22321600, 31250240, 39062800, 44643200, 62500480, 78125600, 156251200, 312502400]

約数ペア:

[(1, 312502400), (2, 156251200), (4, 78125600), (5, 62500480), (7, 44643200), (8, 39062800), (10, 31250240), (14, 22321600), (16, 19531400), (20, 15625120), (25, 12500096), (28, 11160800), (32, 9765700), (35, 8928640), (40, 7812560), (49, 6377600), (50, 6250048), (56, 5580400), (64, 4882850), (70, 4464320), (80, 3906280), (98, 3188800), (100, 3125024), (112, 2790200), (128, 2441425), (140, 2232160), (160, 1953140), (175, 1785728), (196, 1594400), (200, 1562512), (224, 1395100), (245, 1275520), (280, 1116080), (320, 976570), (350, 892864), (392, 797200), (400, 781256), (448, 697550), (490, 637760), (560, 558040), (640, 488285), (700, 446432), (784, 398600), (800, 390628), (896, 348775), (980, 318880), (1120, 279020), (1225, 255104), (1400, 223216), (1568, 199300), (1600, 195314), (1960, 159440), (1993, 156800), (2240, 139510), (2450, 127552), (2800, 111608), (3136, 99650), (3200, 97657), (3920, 79720), (3986, 78400), (4480, 69755), (4900, 63776), (5600, 55804), (6272, 49825), (7840, 39860), (7972, 39200), (9800, 31888), (9965, 31360), (11200, 27902), (13951, 22400), (15680, 19930), (15944, 19600)]