4247930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 8045568

約数和(自身を除く): 3797638

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 193, 310, 355, 386, 710, 965, 1930, 2201, 4402, 5983, 11005, 11966, 13703, 22010, 27406, 29915, 59830, 68515, 137030, 424793, 849586, 2123965, 4247930]

約数ペア:

[(1, 4247930), (2, 2123965), (5, 849586), (10, 424793), (31, 137030), (62, 68515), (71, 59830), (142, 29915), (155, 27406), (193, 22010), (310, 13703), (355, 11966), (386, 11005), (710, 5983), (965, 4402), (1930, 2201)]