1778780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 4085760

約数和(自身を除く): 2306980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 151, 155, 190, 302, 310, 380, 589, 604, 620, 755, 1178, 1510, 2356, 2869, 2945, 3020, 4681, 5738, 5890, 9362, 11476, 11780, 14345, 18724, 23405, 28690, 46810, 57380, 88939, 93620, 177878, 355756, 444695, 889390, 1778780]

約数ペア:

[(1, 1778780), (2, 889390), (4, 444695), (5, 355756), (10, 177878), (19, 93620), (20, 88939), (31, 57380), (38, 46810), (62, 28690), (76, 23405), (95, 18724), (124, 14345), (151, 11780), (155, 11476), (190, 9362), (302, 5890), (310, 5738), (380, 4681), (589, 3020), (604, 2945), (620, 2869), (755, 2356), (1178, 1510)]