74028920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{631}}^1$

素因数の和:1068

約数の個数: 64

約数和(自身を含む): 191116800

約数和(自身を除く): 117087880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 419, 631, 838, 1262, 1676, 2095, 2524, 2933, 3155, 3352, 4190, 4417, 5048, 5866, 6310, 8380, 8834, 11732, 12620, 14665, 16760, 17668, 22085, 23464, 25240, 29330, 35336, 44170, 58660, 88340, 117320, 176680, 264389, 528778, 1057556, 1321945, 1850723, 2115112, 2643890, 3701446, 5287780, 7402892, 9253615, 10575560, 14805784, 18507230, 37014460, 74028920]

約数ペア:

[(1, 74028920), (2, 37014460), (4, 18507230), (5, 14805784), (7, 10575560), (8, 9253615), (10, 7402892), (14, 5287780), (20, 3701446), (28, 2643890), (35, 2115112), (40, 1850723), (56, 1321945), (70, 1057556), (140, 528778), (280, 264389), (419, 176680), (631, 117320), (838, 88340), (1262, 58660), (1676, 44170), (2095, 35336), (2524, 29330), (2933, 25240), (3155, 23464), (3352, 22085), (4190, 17668), (4417, 16760), (5048, 14665), (5866, 12620), (6310, 11732), (8380, 8834)]