212910880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2089}}^1$

素因数の和:2131

約数の個数: 144

約数和(自身を含む): 630435960

約数和(自身を除く): 417525080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2080, 2089, 2548, 2912, 3185, 3640, 3920, 4178, 5096, 6370, 7280, 7840, 8356, 10192, 10445, 12740, 14560, 14623, 16712, 20384, 20890, 25480, 27157, 29246, 33424, 41780, 50960, 54314, 58492, 66848, 73115, 83560, 101920, 102361, 108628, 116984, 135785, 146230, 167120, 190099, 204722, 217256, 233968, 271570, 292460, 334240, 380198, 409444, 434512, 467936, 511805, 543140, 584920, 760396, 818888, 869024, 950495, 1023610, 1086280, 1169840, 1330693, 1520792, 1637776, 1900990, 2047220, 2172560, 2339680, 2661386, 3041584, 3275552, 3801980, 4094440, 4345120, 5322772, 6083168, 6653465, 7603960, 8188880, 10645544, 13306930, 15207920, 16377760, 21291088, 26613860, 30415840, 42582176, 53227720, 106455440, 212910880]

約数ペア:

[(1, 212910880), (2, 106455440), (4, 53227720), (5, 42582176), (7, 30415840), (8, 26613860), (10, 21291088), (13, 16377760), (14, 15207920), (16, 13306930), (20, 10645544), (26, 8188880), (28, 7603960), (32, 6653465), (35, 6083168), (40, 5322772), (49, 4345120), (52, 4094440), (56, 3801980), (65, 3275552), (70, 3041584), (80, 2661386), (91, 2339680), (98, 2172560), (104, 2047220), (112, 1900990), (130, 1637776), (140, 1520792), (160, 1330693), (182, 1169840), (196, 1086280), (208, 1023610), (224, 950495), (245, 869024), (260, 818888), (280, 760396), (364, 584920), (392, 543140), (416, 511805), (455, 467936), (490, 434512), (520, 409444), (560, 380198), (637, 334240), (728, 292460), (784, 271570), (910, 233968), (980, 217256), (1040, 204722), (1120, 190099), (1274, 167120), (1456, 146230), (1568, 135785), (1820, 116984), (1960, 108628), (2080, 102361), (2089, 101920), (2548, 83560), (2912, 73115), (3185, 66848), (3640, 58492), (3920, 54314), (4178, 50960), (5096, 41780), (6370, 33424), (7280, 29246), (7840, 27157), (8356, 25480), (10192, 20890), (10445, 20384), (12740, 16712), (14560, 14623)]