About the Number

121490440

121490439 ← → 121490441

2進数表記:111001111011100110000001000

漢数字表記:一億二千百四十九万四百四十

素因数分解:

2 3 × 5 1 × 59 1 × 51479 1

素因数の和:51549
約数の個数: 32
約数和(自身を含む): 277992000
約数和(自身を除く): 156501560

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 51479, 102958, 205916, 257395, 411832, 514790, 1029580, 2059160, 3037261, 6074522, 12149044, 15186305, 24298088, 30372610, 60745220, 121490440]

約数ペア:
[(1, 121490440), (2, 60745220), (4, 30372610), (5, 24298088), (8, 15186305), (10, 12149044), (20, 6074522), (40, 3037261), (59, 2059160), (118, 1029580), (236, 514790), (295, 411832), (472, 257395), (590, 205916), (1180, 102958), (2360, 51479)]

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