47154940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19813}}^1$

素因数の和:19846

約数の個数: 48

約数和(自身を含む): 119835072

約数和(自身を除く): 72680132

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 19813, 39626, 79252, 99065, 138691, 198130, 277382, 336821, 396260, 554764, 673642, 693455, 1347284, 1386910, 1684105, 2357747, 2773820, 3368210, 4715494, 6736420, 9430988, 11788735, 23577470, 47154940]

約数ペア:

[(1, 47154940), (2, 23577470), (4, 11788735), (5, 9430988), (7, 6736420), (10, 4715494), (14, 3368210), (17, 2773820), (20, 2357747), (28, 1684105), (34, 1386910), (35, 1347284), (68, 693455), (70, 673642), (85, 554764), (119, 396260), (140, 336821), (170, 277382), (238, 198130), (340, 138691), (476, 99065), (595, 79252), (1190, 39626), (2380, 19813)]