28698940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 63685440

約数和(自身を除く): 34986500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 701, 890, 1402, 1780, 2047, 2804, 3505, 4094, 7010, 8188, 10235, 14020, 16123, 20470, 32246, 40940, 62389, 64492, 80615, 124778, 161230, 249556, 311945, 322460, 623890, 1247780, 1434947, 2869894, 5739788, 7174735, 14349470, 28698940]

約数ペア:

[(1, 28698940), (2, 14349470), (4, 7174735), (5, 5739788), (10, 2869894), (20, 1434947), (23, 1247780), (46, 623890), (89, 322460), (92, 311945), (115, 249556), (178, 161230), (230, 124778), (356, 80615), (445, 64492), (460, 62389), (701, 40940), (890, 32246), (1402, 20470), (1780, 16123), (2047, 14020), (2804, 10235), (3505, 8188), (4094, 7010)]