7274540

素因数分解:

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

素因数の和:607

約数の個数: 72

約数和(自身を含む): 19171152

約数和(自身を除く): 11896612

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 571, 637, 910, 980, 1142, 1274, 1820, 2284, 2548, 2855, 3185, 3997, 5710, 6370, 7423, 7994, 11420, 12740, 14846, 15988, 19985, 27979, 29692, 37115, 39970, 51961, 55958, 74230, 79940, 103922, 111916, 139895, 148460, 207844, 259805, 279790, 363727, 519610, 559580, 727454, 1039220, 1454908, 1818635, 3637270, 7274540]

約数ペア:

[(1, 7274540), (2, 3637270), (4, 1818635), (5, 1454908), (7, 1039220), (10, 727454), (13, 559580), (14, 519610), (20, 363727), (26, 279790), (28, 259805), (35, 207844), (49, 148460), (52, 139895), (65, 111916), (70, 103922), (91, 79940), (98, 74230), (130, 55958), (140, 51961), (182, 39970), (196, 37115), (245, 29692), (260, 27979), (364, 19985), (455, 15988), (490, 14846), (571, 12740), (637, 11420), (910, 7994), (980, 7423), (1142, 6370), (1274, 5710), (1820, 3997), (2284, 3185), (2548, 2855)]