25112990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{967}}^1$

素因数の和:1041

約数の個数: 48

約数和(自身を含む): 53631072

約数和(自身を除く): 28518082

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 53, 70, 98, 106, 245, 265, 371, 490, 530, 742, 967, 1855, 1934, 2597, 3710, 4835, 5194, 6769, 9670, 12985, 13538, 25970, 33845, 47383, 51251, 67690, 94766, 102502, 236915, 256255, 358757, 473830, 512510, 717514, 1793785, 2511299, 3587570, 5022598, 12556495, 25112990]

約数ペア:

[(1, 25112990), (2, 12556495), (5, 5022598), (7, 3587570), (10, 2511299), (14, 1793785), (35, 717514), (49, 512510), (53, 473830), (70, 358757), (98, 256255), (106, 236915), (245, 102502), (265, 94766), (371, 67690), (490, 51251), (530, 47383), (742, 33845), (967, 25970), (1855, 13538), (1934, 12985), (2597, 9670), (3710, 6769), (4835, 5194)]