31413800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 81021600

約数和(自身を除く): 49607800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 109, 110, 131, 200, 218, 220, 262, 275, 436, 440, 524, 545, 550, 655, 872, 1048, 1090, 1100, 1199, 1310, 1441, 2180, 2200, 2398, 2620, 2725, 2882, 3275, 4360, 4796, 5240, 5450, 5764, 5995, 6550, 7205, 9592, 10900, 11528, 11990, 13100, 14279, 14410, 21800, 23980, 26200, 28558, 28820, 29975, 36025, 47960, 57116, 57640, 59950, 71395, 72050, 114232, 119900, 142790, 144100, 157069, 239800, 285580, 288200, 314138, 356975, 571160, 628276, 713950, 785345, 1256552, 1427900, 1570690, 2855800, 3141380, 3926725, 6282760, 7853450, 15706900, 31413800]

約数ペア:

[(1, 31413800), (2, 15706900), (4, 7853450), (5, 6282760), (8, 3926725), (10, 3141380), (11, 2855800), (20, 1570690), (22, 1427900), (25, 1256552), (40, 785345), (44, 713950), (50, 628276), (55, 571160), (88, 356975), (100, 314138), (109, 288200), (110, 285580), (131, 239800), (200, 157069), (218, 144100), (220, 142790), (262, 119900), (275, 114232), (436, 72050), (440, 71395), (524, 59950), (545, 57640), (550, 57116), (655, 47960), (872, 36025), (1048, 29975), (1090, 28820), (1100, 28558), (1199, 26200), (1310, 23980), (1441, 21800), (2180, 14410), (2200, 14279), (2398, 13100), (2620, 11990), (2725, 11528), (2882, 10900), (3275, 9592), (4360, 7205), (4796, 6550), (5240, 5995), (5450, 5764)]