7405580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{313}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 19307232

約数和(自身を除く): 11901652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 313, 338, 364, 455, 626, 676, 845, 910, 1183, 1252, 1565, 1690, 1820, 2191, 2366, 3130, 3380, 4069, 4382, 4732, 5915, 6260, 8138, 8764, 10955, 11830, 16276, 20345, 21910, 23660, 28483, 40690, 43820, 52897, 56966, 81380, 105794, 113932, 142415, 211588, 264485, 284830, 370279, 528970, 569660, 740558, 1057940, 1481116, 1851395, 3702790, 7405580]

約数ペア:

[(1, 7405580), (2, 3702790), (4, 1851395), (5, 1481116), (7, 1057940), (10, 740558), (13, 569660), (14, 528970), (20, 370279), (26, 284830), (28, 264485), (35, 211588), (52, 142415), (65, 113932), (70, 105794), (91, 81380), (130, 56966), (140, 52897), (169, 43820), (182, 40690), (260, 28483), (313, 23660), (338, 21910), (364, 20345), (455, 16276), (626, 11830), (676, 10955), (845, 8764), (910, 8138), (1183, 6260), (1252, 5915), (1565, 4732), (1690, 4382), (1820, 4069), (2191, 3380), (2366, 3130)]