218675240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:176

約数の個数: 192

約数和(自身を含む): 610675200

約数和(自身を除く): 391999960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 59, 61, 62, 70, 98, 118, 122, 124, 140, 155, 196, 217, 236, 244, 245, 248, 280, 295, 305, 310, 392, 413, 427, 434, 472, 488, 490, 590, 610, 620, 826, 854, 868, 980, 1085, 1180, 1220, 1240, 1519, 1652, 1708, 1736, 1829, 1891, 1960, 2065, 2135, 2170, 2360, 2440, 2891, 2989, 3038, 3304, 3416, 3599, 3658, 3782, 4130, 4270, 4340, 5782, 5978, 6076, 7198, 7316, 7564, 7595, 8260, 8540, 8680, 9145, 9455, 11564, 11956, 12152, 12803, 13237, 14396, 14455, 14632, 14945, 15128, 15190, 16520, 17080, 17995, 18290, 18910, 23128, 23912, 25193, 25606, 26474, 28792, 28910, 29890, 30380, 35990, 36580, 37820, 50386, 51212, 52948, 57820, 59780, 60760, 64015, 66185, 71980, 73160, 75640, 89621, 92659, 100772, 102424, 105896, 111569, 115640, 119560, 125965, 128030, 132370, 143960, 176351, 179242, 185318, 201544, 223138, 251930, 256060, 264740, 352702, 358484, 370636, 446276, 448105, 463295, 503860, 512120, 529480, 557845, 705404, 716968, 741272, 780983, 881755, 892552, 896210, 926590, 1007720, 1115690, 1410808, 1561966, 1763510, 1792420, 1853180, 2231380, 3123932, 3527020, 3584840, 3706360, 3904915, 4462760, 5466881, 6247864, 7054040, 7809830, 10933762, 15619660, 21867524, 27334405, 31239320, 43735048, 54668810, 109337620, 218675240]

約数ペア:

[(1, 218675240), (2, 109337620), (4, 54668810), (5, 43735048), (7, 31239320), (8, 27334405), (10, 21867524), (14, 15619660), (20, 10933762), (28, 7809830), (31, 7054040), (35, 6247864), (40, 5466881), (49, 4462760), (56, 3904915), (59, 3706360), (61, 3584840), (62, 3527020), (70, 3123932), (98, 2231380), (118, 1853180), (122, 1792420), (124, 1763510), (140, 1561966), (155, 1410808), (196, 1115690), (217, 1007720), (236, 926590), (244, 896210), (245, 892552), (248, 881755), (280, 780983), (295, 741272), (305, 716968), (310, 705404), (392, 557845), (413, 529480), (427, 512120), (434, 503860), (472, 463295), (488, 448105), (490, 446276), (590, 370636), (610, 358484), (620, 352702), (826, 264740), (854, 256060), (868, 251930), (980, 223138), (1085, 201544), (1180, 185318), (1220, 179242), (1240, 176351), (1519, 143960), (1652, 132370), (1708, 128030), (1736, 125965), (1829, 119560), (1891, 115640), (1960, 111569), (2065, 105896), (2135, 102424), (2170, 100772), (2360, 92659), (2440, 89621), (2891, 75640), (2989, 73160), (3038, 71980), (3304, 66185), (3416, 64015), (3599, 60760), (3658, 59780), (3782, 57820), (4130, 52948), (4270, 51212), (4340, 50386), (5782, 37820), (5978, 36580), (6076, 35990), (7198, 30380), (7316, 29890), (7564, 28910), (7595, 28792), (8260, 26474), (8540, 25606), (8680, 25193), (9145, 23912), (9455, 23128), (11564, 18910), (11956, 18290), (12152, 17995), (12803, 17080), (13237, 16520), (14396, 15190), (14455, 15128), (14632, 14945)]