1911550900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:674

約数の個数: 144

約数和(自身を含む): 4882187520

約数和(自身を除く): 2970636620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 89, 100, 122, 140, 175, 178, 244, 305, 350, 356, 427, 445, 503, 610, 623, 700, 854, 890, 1006, 1220, 1246, 1525, 1708, 1780, 2012, 2135, 2225, 2492, 2515, 3050, 3115, 3521, 4270, 4450, 5030, 5429, 6100, 6230, 7042, 8540, 8900, 10060, 10675, 10858, 12460, 12575, 14084, 15575, 17605, 21350, 21716, 25150, 27145, 30683, 31150, 35210, 38003, 42700, 44767, 50300, 54290, 61366, 62300, 70420, 76006, 88025, 89534, 108580, 122732, 135725, 152012, 153415, 176050, 179068, 190015, 214781, 223835, 271450, 306830, 313369, 352100, 380030, 429562, 447670, 542900, 613660, 626738, 760060, 767075, 859124, 895340, 950075, 1073905, 1119175, 1253476, 1534150, 1566845, 1900150, 2147810, 2238350, 2730787, 3068300, 3133690, 3800300, 4295620, 4476700, 5369525, 5461574, 6267380, 7834225, 10739050, 10923148, 13653935, 15668450, 19115509, 21478100, 27307870, 31336900, 38231018, 54615740, 68269675, 76462036, 95577545, 136539350, 191155090, 273078700, 382310180, 477887725, 955775450, 1911550900]

約数ペア:

[(1, 1911550900), (2, 955775450), (4, 477887725), (5, 382310180), (7, 273078700), (10, 191155090), (14, 136539350), (20, 95577545), (25, 76462036), (28, 68269675), (35, 54615740), (50, 38231018), (61, 31336900), (70, 27307870), (89, 21478100), (100, 19115509), (122, 15668450), (140, 13653935), (175, 10923148), (178, 10739050), (244, 7834225), (305, 6267380), (350, 5461574), (356, 5369525), (427, 4476700), (445, 4295620), (503, 3800300), (610, 3133690), (623, 3068300), (700, 2730787), (854, 2238350), (890, 2147810), (1006, 1900150), (1220, 1566845), (1246, 1534150), (1525, 1253476), (1708, 1119175), (1780, 1073905), (2012, 950075), (2135, 895340), (2225, 859124), (2492, 767075), (2515, 760060), (3050, 626738), (3115, 613660), (3521, 542900), (4270, 447670), (4450, 429562), (5030, 380030), (5429, 352100), (6100, 313369), (6230, 306830), (7042, 271450), (8540, 223835), (8900, 214781), (10060, 190015), (10675, 179068), (10858, 176050), (12460, 153415), (12575, 152012), (14084, 135725), (15575, 122732), (17605, 108580), (21350, 89534), (21716, 88025), (25150, 76006), (27145, 70420), (30683, 62300), (31150, 61366), (35210, 54290), (38003, 50300), (42700, 44767)]