551420860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{13469}}^1$

素因数の和:13590

約数の個数: 48

約数和(自身を含む): 1221998400

約数和(自身を除く): 670577540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 890, 1780, 2047, 4094, 8188, 10235, 13469, 20470, 26938, 40940, 53876, 67345, 134690, 269380, 309787, 619574, 1198741, 1239148, 1548935, 2397482, 3097870, 4794964, 5993705, 6195740, 11987410, 23974820, 27571043, 55142086, 110284172, 137855215, 275710430, 551420860]

約数ペア:

[(1, 551420860), (2, 275710430), (4, 137855215), (5, 110284172), (10, 55142086), (20, 27571043), (23, 23974820), (46, 11987410), (89, 6195740), (92, 5993705), (115, 4794964), (178, 3097870), (230, 2397482), (356, 1548935), (445, 1239148), (460, 1198741), (890, 619574), (1780, 309787), (2047, 269380), (4094, 134690), (8188, 67345), (10235, 53876), (13469, 40940), (20470, 26938)]