156920225420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2255249}}^1$

素因数の和:2255343

約数の個数: 72

約数和(自身を含む): 388732932000

約数和(自身を除く): 231812706580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 3479, 4970, 6958, 9940, 13916, 17395, 34790, 69580, 2255249, 4510498, 9020996, 11276245, 15786743, 22552490, 31573486, 45104980, 63146972, 78933715, 110507201, 157867430, 160122679, 221014402, 315734860, 320245358, 442028804, 552536005, 640490716, 800613395, 1105072010, 1120858753, 1601226790, 2210144020, 2241717506, 3202453580, 4483435012, 5604293765, 7846011271, 11208587530, 15692022542, 22417175060, 31384045084, 39230056355, 78460112710, 156920225420]

約数ペア:

[(1, 156920225420), (2, 78460112710), (4, 39230056355), (5, 31384045084), (7, 22417175060), (10, 15692022542), (14, 11208587530), (20, 7846011271), (28, 5604293765), (35, 4483435012), (49, 3202453580), (70, 2241717506), (71, 2210144020), (98, 1601226790), (140, 1120858753), (142, 1105072010), (196, 800613395), (245, 640490716), (284, 552536005), (355, 442028804), (490, 320245358), (497, 315734860), (710, 221014402), (980, 160122679), (994, 157867430), (1420, 110507201), (1988, 78933715), (2485, 63146972), (3479, 45104980), (4970, 31573486), (6958, 22552490), (9940, 15786743), (13916, 11276245), (17395, 9020996), (34790, 4510498), (69580, 2255249)]