20077798300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1\times {\mathrm{503}}^1$

素因数の和:1100

約数の個数: 144

約数和(自身を含む): 50396774400

約数和(自身を除く): 30318976100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 127, 140, 175, 254, 350, 449, 503, 508, 635, 700, 889, 898, 1006, 1270, 1778, 1796, 2012, 2245, 2515, 2540, 3143, 3175, 3521, 3556, 4445, 4490, 5030, 6286, 6350, 7042, 8890, 8980, 10060, 11225, 12572, 12575, 12700, 14084, 15715, 17605, 17780, 22225, 22450, 25150, 31430, 35210, 44450, 44900, 50300, 57023, 62860, 63881, 70420, 78575, 88025, 88900, 114046, 127762, 157150, 176050, 225847, 228092, 255524, 285115, 314300, 319405, 352100, 399161, 447167, 451694, 570230, 638810, 798322, 894334, 903388, 1129235, 1140460, 1277620, 1425575, 1580929, 1596644, 1597025, 1788668, 1995805, 2235835, 2258470, 2851150, 3161858, 3194050, 3991610, 4471670, 4516940, 5646175, 5702300, 6323716, 6388100, 7904645, 7983220, 8943340, 9979025, 11179175, 11292350, 15809290, 19958050, 22358350, 22584700, 28682569, 31618580, 39523225, 39916100, 44716700, 57365138, 79046450, 114730276, 143412845, 158092900, 200777983, 286825690, 401555966, 573651380, 717064225, 803111932, 1003889915, 1434128450, 2007779830, 2868256900, 4015559660, 5019449575, 10038899150, 20077798300]

約数ペア:

[(1, 20077798300), (2, 10038899150), (4, 5019449575), (5, 4015559660), (7, 2868256900), (10, 2007779830), (14, 1434128450), (20, 1003889915), (25, 803111932), (28, 717064225), (35, 573651380), (50, 401555966), (70, 286825690), (100, 200777983), (127, 158092900), (140, 143412845), (175, 114730276), (254, 79046450), (350, 57365138), (449, 44716700), (503, 39916100), (508, 39523225), (635, 31618580), (700, 28682569), (889, 22584700), (898, 22358350), (1006, 19958050), (1270, 15809290), (1778, 11292350), (1796, 11179175), (2012, 9979025), (2245, 8943340), (2515, 7983220), (2540, 7904645), (3143, 6388100), (3175, 6323716), (3521, 5702300), (3556, 5646175), (4445, 4516940), (4490, 4471670), (5030, 3991610), (6286, 3194050), (6350, 3161858), (7042, 2851150), (8890, 2258470), (8980, 2235835), (10060, 1995805), (11225, 1788668), (12572, 1597025), (12575, 1596644), (12700, 1580929), (14084, 1425575), (15715, 1277620), (17605, 1140460), (17780, 1129235), (22225, 903388), (22450, 894334), (25150, 798322), (31430, 638810), (35210, 570230), (44450, 451694), (44900, 447167), (50300, 399161), (57023, 352100), (62860, 319405), (63881, 314300), (70420, 285115), (78575, 255524), (88025, 228092), (88900, 225847), (114046, 176050), (127762, 157150)]