121155970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 249500160

約数和(自身を除く): 128344190

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 181, 190, 247, 271, 362, 494, 542, 905, 1235, 1355, 1810, 2353, 2470, 2710, 3439, 3523, 4706, 5149, 6878, 7046, 10298, 11765, 17195, 17615, 23530, 25745, 34390, 35230, 44707, 49051, 51490, 66937, 89414, 98102, 133874, 223535, 245255, 334685, 447070, 490510, 637663, 669370, 931969, 1275326, 1863938, 3188315, 4659845, 6376630, 9319690, 12115597, 24231194, 60577985, 121155970]

約数ペア:

[(1, 121155970), (2, 60577985), (5, 24231194), (10, 12115597), (13, 9319690), (19, 6376630), (26, 4659845), (38, 3188315), (65, 1863938), (95, 1275326), (130, 931969), (181, 669370), (190, 637663), (247, 490510), (271, 447070), (362, 334685), (494, 245255), (542, 223535), (905, 133874), (1235, 98102), (1355, 89414), (1810, 66937), (2353, 51490), (2470, 49051), (2710, 44707), (3439, 35230), (3523, 34390), (4706, 25745), (5149, 23530), (6878, 17615), (7046, 17195), (10298, 11765)]