740145

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:94

約数の個数: 48

約数和(自身を含む): 1477440

約数和(自身を除く): 737295

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 53, 57, 95, 105, 133, 147, 159, 245, 265, 285, 371, 399, 665, 735, 795, 931, 1007, 1113, 1855, 1995, 2597, 2793, 3021, 4655, 5035, 5565, 7049, 7791, 12985, 13965, 15105, 21147, 35245, 38955, 49343, 105735, 148029, 246715, 740145]

約数ペア:

[(1, 740145), (3, 246715), (5, 148029), (7, 105735), (15, 49343), (19, 38955), (21, 35245), (35, 21147), (49, 15105), (53, 13965), (57, 12985), (95, 7791), (105, 7049), (133, 5565), (147, 5035), (159, 4655), (245, 3021), (265, 2793), (285, 2597), (371, 1995), (399, 1855), (665, 1113), (735, 1007), (795, 931)]