278889650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3797}}^1$

素因数の和:3935

約数の個数: 48

約数和(自身を含む): 563729544

約数和(自身を除く): 284839894

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 113, 130, 226, 325, 565, 650, 1130, 1469, 2825, 2938, 3797, 5650, 7345, 7594, 14690, 18985, 36725, 37970, 49361, 73450, 94925, 98722, 189850, 246805, 429061, 493610, 858122, 1234025, 2145305, 2468050, 4290610, 5577793, 10726525, 11155586, 21453050, 27888965, 55777930, 139444825, 278889650]

約数ペア:

[(1, 278889650), (2, 139444825), (5, 55777930), (10, 27888965), (13, 21453050), (25, 11155586), (26, 10726525), (50, 5577793), (65, 4290610), (113, 2468050), (130, 2145305), (226, 1234025), (325, 858122), (565, 493610), (650, 429061), (1130, 246805), (1469, 189850), (2825, 98722), (2938, 94925), (3797, 73450), (5650, 49361), (7345, 37970), (7594, 36725), (14690, 18985)]