389948900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15413}}^1$

素因数の和:15461

約数の個数: 72

約数和(自身を含む): 963313344

約数和(自身を除く): 573364444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 1012, 1100, 1150, 1265, 2300, 2530, 5060, 6325, 12650, 15413, 25300, 30826, 61652, 77065, 154130, 169543, 308260, 339086, 354499, 385325, 678172, 708998, 770650, 847715, 1417996, 1541300, 1695430, 1772495, 3390860, 3544990, 3899489, 4238575, 7089980, 7798978, 8477150, 8862475, 15597956, 16954300, 17724950, 19497445, 35449900, 38994890, 77989780, 97487225, 194974450, 389948900]

約数ペア:

[(1, 389948900), (2, 194974450), (4, 97487225), (5, 77989780), (10, 38994890), (11, 35449900), (20, 19497445), (22, 17724950), (23, 16954300), (25, 15597956), (44, 8862475), (46, 8477150), (50, 7798978), (55, 7089980), (92, 4238575), (100, 3899489), (110, 3544990), (115, 3390860), (220, 1772495), (230, 1695430), (253, 1541300), (275, 1417996), (460, 847715), (506, 770650), (550, 708998), (575, 678172), (1012, 385325), (1100, 354499), (1150, 339086), (1265, 308260), (2300, 169543), (2530, 154130), (5060, 77065), (6325, 61652), (12650, 30826), (15413, 25300)]