28937930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 61498440

約数和(自身を除く): 32560510

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 73, 98, 146, 245, 365, 490, 511, 730, 809, 1022, 1618, 2555, 3577, 4045, 5110, 5663, 7154, 8090, 11326, 17885, 28315, 35770, 39641, 56630, 59057, 79282, 118114, 198205, 295285, 396410, 413399, 590570, 826798, 2066995, 2893793, 4133990, 5787586, 14468965, 28937930]

約数ペア:

[(1, 28937930), (2, 14468965), (5, 5787586), (7, 4133990), (10, 2893793), (14, 2066995), (35, 826798), (49, 590570), (70, 413399), (73, 396410), (98, 295285), (146, 198205), (245, 118114), (365, 79282), (490, 59057), (511, 56630), (730, 39641), (809, 35770), (1022, 28315), (1618, 17885), (2555, 11326), (3577, 8090), (4045, 7154), (5110, 5663)]