197308280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379439}}^1$

素因数の和:379463

約数の個数: 32

約数和(自身を含む): 478094400

約数和(自身を除く): 280786120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 379439, 758878, 1517756, 1897195, 3035512, 3794390, 4932707, 7588780, 9865414, 15177560, 19730828, 24663535, 39461656, 49327070, 98654140, 197308280]

約数ペア:

[(1, 197308280), (2, 98654140), (4, 49327070), (5, 39461656), (8, 24663535), (10, 19730828), (13, 15177560), (20, 9865414), (26, 7588780), (40, 4932707), (52, 3794390), (65, 3035512), (104, 1897195), (130, 1517756), (260, 758878), (520, 379439)]