13187900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 32914560

約数和(自身を除く): 19726660

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 631, 836, 950, 1045, 1100, 1262, 1900, 2090, 2524, 3155, 4180, 5225, 6310, 6941, 10450, 11989, 12620, 13882, 15775, 20900, 23978, 27764, 31550, 34705, 47956, 59945, 63100, 69410, 119890, 131879, 138820, 173525, 239780, 263758, 299725, 347050, 527516, 599450, 659395, 694100, 1198900, 1318790, 2637580, 3296975, 6593950, 13187900]

約数ペア:

[(1, 13187900), (2, 6593950), (4, 3296975), (5, 2637580), (10, 1318790), (11, 1198900), (19, 694100), (20, 659395), (22, 599450), (25, 527516), (38, 347050), (44, 299725), (50, 263758), (55, 239780), (76, 173525), (95, 138820), (100, 131879), (110, 119890), (190, 69410), (209, 63100), (220, 59945), (275, 47956), (380, 34705), (418, 31550), (475, 27764), (550, 23978), (631, 20900), (836, 15775), (950, 13882), (1045, 12620), (1100, 11989), (1262, 10450), (1900, 6941), (2090, 6310), (2524, 5225), (3155, 4180)]