999223600

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:507

約数の個数: 120

約数和(自身を含む): 2462620160

約数和(自身を除く): 1463396560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 103, 158, 200, 206, 307, 316, 395, 400, 412, 515, 614, 632, 790, 824, 1030, 1228, 1264, 1535, 1580, 1648, 1975, 2060, 2456, 2575, 3070, 3160, 3950, 4120, 4912, 5150, 6140, 6320, 7675, 7900, 8137, 8240, 10300, 12280, 15350, 15800, 16274, 20600, 24253, 24560, 30700, 31600, 31621, 32548, 40685, 41200, 48506, 61400, 63242, 65096, 81370, 97012, 121265, 122800, 126484, 130192, 158105, 162740, 194024, 203425, 242530, 252968, 316210, 325480, 388048, 406850, 485060, 505936, 606325, 632420, 650960, 790525, 813700, 970120, 1212650, 1264840, 1581050, 1627400, 1940240, 2425300, 2498059, 2529680, 3162100, 3254800, 4850600, 4996118, 6324200, 9701200, 9992236, 12490295, 12648400, 19984472, 24980590, 39968944, 49961180, 62451475, 99922360, 124902950, 199844720, 249805900, 499611800, 999223600]

約数ペア:

[(1, 999223600), (2, 499611800), (4, 249805900), (5, 199844720), (8, 124902950), (10, 99922360), (16, 62451475), (20, 49961180), (25, 39968944), (40, 24980590), (50, 19984472), (79, 12648400), (80, 12490295), (100, 9992236), (103, 9701200), (158, 6324200), (200, 4996118), (206, 4850600), (307, 3254800), (316, 3162100), (395, 2529680), (400, 2498059), (412, 2425300), (515, 1940240), (614, 1627400), (632, 1581050), (790, 1264840), (824, 1212650), (1030, 970120), (1228, 813700), (1264, 790525), (1535, 650960), (1580, 632420), (1648, 606325), (1975, 505936), (2060, 485060), (2456, 406850), (2575, 388048), (3070, 325480), (3160, 316210), (3950, 252968), (4120, 242530), (4912, 203425), (5150, 194024), (6140, 162740), (6320, 158105), (7675, 130192), (7900, 126484), (8137, 122800), (8240, 121265), (10300, 97012), (12280, 81370), (15350, 65096), (15800, 63242), (16274, 61400), (20600, 48506), (24253, 41200), (24560, 40685), (30700, 32548), (31600, 31621)]