213380440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 192

約数和(自身を含む): 620585280

約数和(自身を除く): 407204840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 61, 62, 65, 70, 91, 104, 122, 124, 130, 140, 155, 182, 217, 244, 248, 260, 280, 305, 310, 364, 403, 427, 434, 455, 488, 520, 610, 620, 728, 793, 806, 854, 868, 910, 961, 1085, 1220, 1240, 1586, 1612, 1708, 1736, 1820, 1891, 1922, 2015, 2135, 2170, 2440, 2821, 3172, 3224, 3416, 3640, 3782, 3844, 3965, 4030, 4270, 4340, 4805, 5551, 5642, 6344, 6727, 7564, 7688, 7930, 8060, 8540, 8680, 9455, 9610, 11102, 11284, 12493, 13237, 13454, 14105, 15128, 15860, 16120, 17080, 18910, 19220, 22204, 22568, 24583, 24986, 26474, 26908, 27755, 28210, 31720, 33635, 37820, 38440, 44408, 49166, 49972, 52948, 53816, 55510, 56420, 58621, 62465, 66185, 67270, 75640, 87451, 98332, 99944, 105896, 111020, 112840, 117242, 122915, 124930, 132370, 134540, 172081, 174902, 196664, 222040, 234484, 245830, 249860, 264740, 269080, 293105, 344162, 349804, 410347, 437255, 468968, 491660, 499720, 529480, 586210, 688324, 699608, 762073, 820694, 860405, 874510, 983320, 1172420, 1376648, 1524146, 1641388, 1720810, 1749020, 2051735, 2344840, 3048292, 3282776, 3441620, 3498040, 3810365, 4103470, 5334511, 6096584, 6883240, 7620730, 8206940, 10669022, 15241460, 16413880, 21338044, 26672555, 30482920, 42676088, 53345110, 106690220, 213380440]

約数ペア:

[(1, 213380440), (2, 106690220), (4, 53345110), (5, 42676088), (7, 30482920), (8, 26672555), (10, 21338044), (13, 16413880), (14, 15241460), (20, 10669022), (26, 8206940), (28, 7620730), (31, 6883240), (35, 6096584), (40, 5334511), (52, 4103470), (56, 3810365), (61, 3498040), (62, 3441620), (65, 3282776), (70, 3048292), (91, 2344840), (104, 2051735), (122, 1749020), (124, 1720810), (130, 1641388), (140, 1524146), (155, 1376648), (182, 1172420), (217, 983320), (244, 874510), (248, 860405), (260, 820694), (280, 762073), (305, 699608), (310, 688324), (364, 586210), (403, 529480), (427, 499720), (434, 491660), (455, 468968), (488, 437255), (520, 410347), (610, 349804), (620, 344162), (728, 293105), (793, 269080), (806, 264740), (854, 249860), (868, 245830), (910, 234484), (961, 222040), (1085, 196664), (1220, 174902), (1240, 172081), (1586, 134540), (1612, 132370), (1708, 124930), (1736, 122915), (1820, 117242), (1891, 112840), (1922, 111020), (2015, 105896), (2135, 99944), (2170, 98332), (2440, 87451), (2821, 75640), (3172, 67270), (3224, 66185), (3416, 62465), (3640, 58621), (3782, 56420), (3844, 55510), (3965, 53816), (4030, 52948), (4270, 49972), (4340, 49166), (4805, 44408), (5551, 38440), (5642, 37820), (6344, 33635), (6727, 31720), (7564, 28210), (7688, 27755), (7930, 26908), (8060, 26474), (8540, 24986), (8680, 24583), (9455, 22568), (9610, 22204), (11102, 19220), (11284, 18910), (12493, 17080), (13237, 16120), (13454, 15860), (14105, 15128)]