487408900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23321}}^1$

素因数の和:23365

約数の個数: 72

約数和(自身を含む): 1214609760

約数和(自身を除く): 727200860

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, 836, 950, 1045, 1100, 1900, 2090, 4180, 5225, 10450, 20900, 23321, 46642, 93284, 116605, 233210, 256531, 443099, 466420, 513062, 583025, 886198, 1026124, 1166050, 1282655, 1772396, 2215495, 2332100, 2565310, 4430990, 4874089, 5130620, 6413275, 8861980, 9748178, 11077475, 12826550, 19496356, 22154950, 24370445, 25653100, 44309900, 48740890, 97481780, 121852225, 243704450, 487408900]

約数ペア:

[(1, 487408900), (2, 243704450), (4, 121852225), (5, 97481780), (10, 48740890), (11, 44309900), (19, 25653100), (20, 24370445), (22, 22154950), (25, 19496356), (38, 12826550), (44, 11077475), (50, 9748178), (55, 8861980), (76, 6413275), (95, 5130620), (100, 4874089), (110, 4430990), (190, 2565310), (209, 2332100), (220, 2215495), (275, 1772396), (380, 1282655), (418, 1166050), (475, 1026124), (550, 886198), (836, 583025), (950, 513062), (1045, 466420), (1100, 443099), (1900, 256531), (2090, 233210), (4180, 116605), (5225, 93284), (10450, 46642), (20900, 23321)]