212831920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:363

約数の個数: 160

約数和(自身を含む): 604961280

約数和(自身を除く): 392129360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 83, 95, 112, 133, 140, 152, 166, 190, 241, 266, 280, 304, 332, 380, 415, 482, 532, 560, 581, 664, 665, 760, 830, 964, 1064, 1162, 1205, 1328, 1330, 1520, 1577, 1660, 1687, 1928, 2128, 2324, 2410, 2660, 2905, 3154, 3320, 3374, 3856, 4579, 4648, 4820, 5320, 5810, 6308, 6640, 6748, 7885, 8435, 9158, 9296, 9640, 10640, 11039, 11620, 12616, 13496, 15770, 16870, 18316, 19280, 20003, 22078, 22895, 23240, 25232, 26992, 31540, 32053, 33740, 36632, 40006, 44156, 45790, 46480, 55195, 63080, 64106, 67480, 73264, 80012, 88312, 91580, 100015, 110390, 126160, 128212, 134960, 140021, 160024, 160265, 176624, 183160, 200030, 220780, 256424, 280042, 320048, 320530, 366320, 380057, 400060, 441560, 512848, 560084, 641060, 700105, 760114, 800120, 883120, 1120168, 1282120, 1400210, 1520228, 1600240, 1900285, 2240336, 2564240, 2660399, 2800420, 3040456, 3800570, 5320798, 5600840, 6080912, 7601140, 10641596, 11201680, 13301995, 15202280, 21283192, 26603990, 30404560, 42566384, 53207980, 106415960, 212831920]

約数ペア:

[(1, 212831920), (2, 106415960), (4, 53207980), (5, 42566384), (7, 30404560), (8, 26603990), (10, 21283192), (14, 15202280), (16, 13301995), (19, 11201680), (20, 10641596), (28, 7601140), (35, 6080912), (38, 5600840), (40, 5320798), (56, 3800570), (70, 3040456), (76, 2800420), (80, 2660399), (83, 2564240), (95, 2240336), (112, 1900285), (133, 1600240), (140, 1520228), (152, 1400210), (166, 1282120), (190, 1120168), (241, 883120), (266, 800120), (280, 760114), (304, 700105), (332, 641060), (380, 560084), (415, 512848), (482, 441560), (532, 400060), (560, 380057), (581, 366320), (664, 320530), (665, 320048), (760, 280042), (830, 256424), (964, 220780), (1064, 200030), (1162, 183160), (1205, 176624), (1328, 160265), (1330, 160024), (1520, 140021), (1577, 134960), (1660, 128212), (1687, 126160), (1928, 110390), (2128, 100015), (2324, 91580), (2410, 88312), (2660, 80012), (2905, 73264), (3154, 67480), (3320, 64106), (3374, 63080), (3856, 55195), (4579, 46480), (4648, 45790), (4820, 44156), (5320, 40006), (5810, 36632), (6308, 33740), (6640, 32053), (6748, 31540), (7885, 26992), (8435, 25232), (9158, 23240), (9296, 22895), (9640, 22078), (10640, 20003), (11039, 19280), (11620, 18316), (12616, 16870), (13496, 15770)]