225510740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 613476864

約数和(自身を除く): 387966124

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 140, 155, 182, 196, 217, 245, 260, 310, 364, 403, 434, 455, 490, 571, 620, 637, 806, 868, 910, 980, 1085, 1142, 1274, 1519, 1612, 1820, 2015, 2170, 2284, 2548, 2821, 2855, 3038, 3185, 3997, 4030, 4340, 5642, 5710, 6076, 6370, 7423, 7595, 7994, 8060, 11284, 11420, 12740, 14105, 14846, 15190, 15988, 17701, 19747, 19985, 27979, 28210, 29692, 30380, 35402, 37115, 39494, 39970, 51961, 55958, 56420, 70804, 74230, 78988, 79940, 88505, 98735, 103922, 111916, 123907, 139895, 148460, 177010, 197470, 207844, 230113, 247814, 259805, 279790, 354020, 363727, 394940, 460226, 495628, 519610, 559580, 619535, 727454, 867349, 920452, 1039220, 1150565, 1239070, 1454908, 1610791, 1734698, 1818635, 2301130, 2478140, 3221582, 3469396, 3637270, 4336745, 4602260, 6443164, 7274540, 8053955, 8673490, 11275537, 16107910, 17346980, 22551074, 32215820, 45102148, 56377685, 112755370, 225510740]

約数ペア:

[(1, 225510740), (2, 112755370), (4, 56377685), (5, 45102148), (7, 32215820), (10, 22551074), (13, 17346980), (14, 16107910), (20, 11275537), (26, 8673490), (28, 8053955), (31, 7274540), (35, 6443164), (49, 4602260), (52, 4336745), (62, 3637270), (65, 3469396), (70, 3221582), (91, 2478140), (98, 2301130), (124, 1818635), (130, 1734698), (140, 1610791), (155, 1454908), (182, 1239070), (196, 1150565), (217, 1039220), (245, 920452), (260, 867349), (310, 727454), (364, 619535), (403, 559580), (434, 519610), (455, 495628), (490, 460226), (571, 394940), (620, 363727), (637, 354020), (806, 279790), (868, 259805), (910, 247814), (980, 230113), (1085, 207844), (1142, 197470), (1274, 177010), (1519, 148460), (1612, 139895), (1820, 123907), (2015, 111916), (2170, 103922), (2284, 98735), (2548, 88505), (2821, 79940), (2855, 78988), (3038, 74230), (3185, 70804), (3997, 56420), (4030, 55958), (4340, 51961), (5642, 39970), (5710, 39494), (6076, 37115), (6370, 35402), (7423, 30380), (7595, 29692), (7994, 28210), (8060, 27979), (11284, 19985), (11420, 19747), (12740, 17701), (14105, 15988), (14846, 15190)]