157890460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{86753}}^1$

素因数の和:86782

約数の個数: 48

約数和(自身を含む): 408090816

約数和(自身を除く): 250200356

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 86753, 173506, 347012, 433765, 607271, 867530, 1127789, 1214542, 1735060, 2255578, 2429084, 3036355, 4511156, 5638945, 6072710, 7894523, 11277890, 12145420, 15789046, 22555780, 31578092, 39472615, 78945230, 157890460]

約数ペア:

[(1, 157890460), (2, 78945230), (4, 39472615), (5, 31578092), (7, 22555780), (10, 15789046), (13, 12145420), (14, 11277890), (20, 7894523), (26, 6072710), (28, 5638945), (35, 4511156), (52, 3036355), (65, 2429084), (70, 2255578), (91, 1735060), (130, 1214542), (140, 1127789), (182, 867530), (260, 607271), (364, 433765), (455, 347012), (910, 173506), (1820, 86753)]