177720140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6271}}^1$

素因数の和:6402

約数の個数: 48

約数和(自身を含む): 405672960

約数和(自身を除く): 227952820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 6271, 7085, 12542, 14170, 25084, 28340, 31355, 62710, 81523, 125420, 163046, 326092, 407615, 683539, 815230, 1367078, 1630460, 2734156, 3417695, 6835390, 8886007, 13670780, 17772014, 35544028, 44430035, 88860070, 177720140]

約数ペア:

[(1, 177720140), (2, 88860070), (4, 44430035), (5, 35544028), (10, 17772014), (13, 13670780), (20, 8886007), (26, 6835390), (52, 3417695), (65, 2734156), (109, 1630460), (130, 1367078), (218, 815230), (260, 683539), (436, 407615), (545, 326092), (1090, 163046), (1417, 125420), (2180, 81523), (2834, 62710), (5668, 31355), (6271, 28340), (7085, 25084), (12542, 14170)]