172968280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{821}}^1$

素因数の和:1084

約数の個数: 64

約数和(自身を含む): 408369600

約数和(自身を除く): 235401320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 229, 230, 458, 460, 821, 916, 920, 1145, 1642, 1832, 2290, 3284, 4105, 4580, 5267, 6568, 8210, 9160, 10534, 16420, 18883, 21068, 26335, 32840, 37766, 42136, 52670, 75532, 94415, 105340, 151064, 188009, 188830, 210680, 376018, 377660, 752036, 755320, 940045, 1504072, 1880090, 3760180, 4324207, 7520360, 8648414, 17296828, 21621035, 34593656, 43242070, 86484140, 172968280]

約数ペア:

[(1, 172968280), (2, 86484140), (4, 43242070), (5, 34593656), (8, 21621035), (10, 17296828), (20, 8648414), (23, 7520360), (40, 4324207), (46, 3760180), (92, 1880090), (115, 1504072), (184, 940045), (229, 755320), (230, 752036), (458, 377660), (460, 376018), (821, 210680), (916, 188830), (920, 188009), (1145, 151064), (1642, 105340), (1832, 94415), (2290, 75532), (3284, 52670), (4105, 42136), (4580, 37766), (5267, 32840), (6568, 26335), (8210, 21068), (9160, 18883), (10534, 16420)]