20299669600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{1619}}^1\times {\mathrm{2239}}^1$

素因数の和:3885

約数の個数: 144

約数和(自身を含む): 56696371200

約数和(自身を除く): 36396701600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 1619, 2239, 2800, 3238, 4478, 5600, 6476, 8095, 8956, 11195, 11333, 12952, 15673, 16190, 17912, 22390, 22666, 25904, 31346, 32380, 35824, 40475, 44780, 45332, 51808, 55975, 56665, 62692, 64760, 71648, 78365, 80950, 89560, 90664, 111950, 113330, 125384, 129520, 156730, 161900, 179120, 181328, 223900, 226660, 250768, 259040, 283325, 313460, 323800, 358240, 362656, 391825, 447800, 453320, 501536, 566650, 626920, 647600, 783650, 895600, 906640, 1133300, 1253840, 1295200, 1567300, 1791200, 1813280, 2266600, 2507680, 3134600, 3624941, 4533200, 6269200, 7249882, 9066400, 12538400, 14499764, 18124705, 25374587, 28999528, 36249410, 50749174, 57999056, 72498820, 90623525, 101498348, 115998112, 126872935, 144997640, 181247050, 202996696, 253745870, 289995280, 362494100, 405993392, 507491740, 579990560, 634364675, 724988200, 811986784, 1014983480, 1268729350, 1449976400, 2029966960, 2537458700, 2899952800, 4059933920, 5074917400, 10149834800, 20299669600]

約数ペア:

[(1, 20299669600), (2, 10149834800), (4, 5074917400), (5, 4059933920), (7, 2899952800), (8, 2537458700), (10, 2029966960), (14, 1449976400), (16, 1268729350), (20, 1014983480), (25, 811986784), (28, 724988200), (32, 634364675), (35, 579990560), (40, 507491740), (50, 405993392), (56, 362494100), (70, 289995280), (80, 253745870), (100, 202996696), (112, 181247050), (140, 144997640), (160, 126872935), (175, 115998112), (200, 101498348), (224, 90623525), (280, 72498820), (350, 57999056), (400, 50749174), (560, 36249410), (700, 28999528), (800, 25374587), (1120, 18124705), (1400, 14499764), (1619, 12538400), (2239, 9066400), (2800, 7249882), (3238, 6269200), (4478, 4533200), (5600, 3624941), (6476, 3134600), (8095, 2507680), (8956, 2266600), (11195, 1813280), (11333, 1791200), (12952, 1567300), (15673, 1295200), (16190, 1253840), (17912, 1133300), (22390, 906640), (22666, 895600), (25904, 783650), (31346, 647600), (32380, 626920), (35824, 566650), (40475, 501536), (44780, 453320), (45332, 447800), (51808, 391825), (55975, 362656), (56665, 358240), (62692, 323800), (64760, 313460), (71648, 283325), (78365, 259040), (80950, 250768), (89560, 226660), (90664, 223900), (111950, 181328), (113330, 179120), (125384, 161900), (129520, 156730)]