28999470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 72078336

約数和(自身を除く): 43078866

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 131, 141, 157, 235, 262, 282, 314, 393, 470, 471, 655, 705, 785, 786, 942, 1310, 1410, 1570, 1965, 2355, 3930, 4710, 6157, 7379, 12314, 14758, 18471, 20567, 22137, 30785, 36895, 36942, 41134, 44274, 61570, 61701, 73790, 92355, 102835, 110685, 123402, 184710, 205670, 221370, 308505, 617010, 966649, 1933298, 2899947, 4833245, 5799894, 9666490, 14499735, 28999470]

約数ペア:

[(1, 28999470), (2, 14499735), (3, 9666490), (5, 5799894), (6, 4833245), (10, 2899947), (15, 1933298), (30, 966649), (47, 617010), (94, 308505), (131, 221370), (141, 205670), (157, 184710), (235, 123402), (262, 110685), (282, 102835), (314, 92355), (393, 73790), (470, 61701), (471, 61570), (655, 44274), (705, 41134), (785, 36942), (786, 36895), (942, 30785), (1310, 22137), (1410, 20567), (1570, 18471), (1965, 14758), (2355, 12314), (3930, 7379), (4710, 6157)]