220477208

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1$

素因数の和:1560

約数の個数: 64

約数和(自身を含む): 493516800

約数和(自身を除く): 273039592

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 89, 124, 178, 217, 248, 356, 434, 623, 712, 868, 1246, 1427, 1736, 2492, 2759, 2854, 4984, 5518, 5708, 9989, 11036, 11416, 19313, 19978, 22072, 38626, 39956, 44237, 77252, 79912, 88474, 127003, 154504, 176948, 254006, 309659, 353896, 508012, 619318, 889021, 1016024, 1238636, 1778042, 2477272, 3556084, 3937093, 7112168, 7874186, 15748372, 27559651, 31496744, 55119302, 110238604, 220477208]

約数ペア:

[(1, 220477208), (2, 110238604), (4, 55119302), (7, 31496744), (8, 27559651), (14, 15748372), (28, 7874186), (31, 7112168), (56, 3937093), (62, 3556084), (89, 2477272), (124, 1778042), (178, 1238636), (217, 1016024), (248, 889021), (356, 619318), (434, 508012), (623, 353896), (712, 309659), (868, 254006), (1246, 176948), (1427, 154504), (1736, 127003), (2492, 88474), (2759, 79912), (2854, 77252), (4984, 44237), (5518, 39956), (5708, 38626), (9989, 22072), (11036, 19978), (11416, 19313)]